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2242502021 = 2518934271
BaseRepresentation
bin1000010110101001…
…1101110110000101
312210021122220110102
42011222131312011
514043040031041
61010304333445
7106366644524
oct20552356605
95707586412
102242502021
11a50919a61
12527014285
13299792c96
14173b824bb
15d1d1509b
hex85a9dd85

2242502021 has 4 divisors (see below), whose sum is σ = 2251436544. Its totient is φ = 2233567500.

The previous prime is 2242501997. The next prime is 2242502029. The reversal of 2242502021 is 1202052422.

2242502021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2242502021 - 222 = 2238307717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2242501984 and 2242502002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242502029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4466885 + ... + 4467386.

It is an arithmetic number, because the mean of its divisors is an integer number (562859136).

Almost surely, 22242502021 is an apocalyptic number.

It is an amenable number.

2242502021 is a deficient number, since it is larger than the sum of its proper divisors (8934523).

2242502021 is an equidigital number, since it uses as much as digits as its factorization.

2242502021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934522.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2242502021 is about 47355.0633090064. The cubic root of 2242502021 is about 1308.9135021280.

Adding to 2242502021 its reverse (1202052422), we get a palindrome (3444554443).

The spelling of 2242502021 in words is "two billion, two hundred forty-two million, five hundred two thousand, twenty-one".

Divisors: 1 251 8934271 2242502021