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2242002021 = 37122986869
BaseRepresentation
bin1000010110100010…
…0011110001100101
312210020201111120220
42011220203301211
514042423031041
61010245514553
7106362463020
oct20550436145
95706644526
102242002021
11a50608336
12526a12a59
1329964951c
14173a921b7
15d1c66d66
hex85a23c65

2242002021 has 16 divisors (see below), whose sum is σ = 3419203200. Its totient is φ = 1280086848.

The previous prime is 2242002011. The next prime is 2242002023. The reversal of 2242002021 is 1202002422.

It is not a de Polignac number, because 2242002021 - 217 = 2241870949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242002023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17626 + ... + 69243.

It is an arithmetic number, because the mean of its divisors is an integer number (213700200).

Almost surely, 22242002021 is an apocalyptic number.

2242002021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2242002021 is a deficient number, since it is larger than the sum of its proper divisors (1177201179).

2242002021 is a wasteful number, since it uses less digits than its factorization.

2242002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88108.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2242002021 is about 47349.7837481862. The cubic root of 2242002021 is about 1308.8162141596.

Adding to 2242002021 its reverse (1202002422), we get a palindrome (3444004443).

The spelling of 2242002021 in words is "two billion, two hundred forty-two million, two thousand, twenty-one".

Divisors: 1 3 7 21 1229 3687 8603 25809 86869 260607 608083 1824249 106762001 320286003 747334007 2242002021