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2272202497 = 19911418103
BaseRepresentation
bin1000011101101111…
…0000111100000001
312212100112211212001
42013123300330001
514123140434442
61013245104001
7110210255035
oct20733607401
95770484761
102272202497
11a66665404
12534b58001
132a2991826
14177ab41c5
15d47302b7
hex876f0f01

2272202497 has 4 divisors (see below), whose sum is σ = 2283620800. Its totient is φ = 2260784196.

The previous prime is 2272202489. The next prime is 2272202521. The reversal of 2272202497 is 7942022722.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7942022722 = 23971011361.

It is a cyclic number.

It is not a de Polignac number, because 2272202497 - 23 = 2272202489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2272202417) 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, 5708853 + ... + 5709250.

It is an arithmetic number, because the mean of its divisors is an integer number (570905200).

Almost surely, 22272202497 is an apocalyptic number.

It is an amenable number.

2272202497 is a deficient number, since it is larger than the sum of its proper divisors (11418303).

2272202497 is a wasteful number, since it uses less digits than its factorization.

2272202497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418302.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 2272202497 is about 47667.6252502681. The cubic root of 2272202497 is about 1314.6667454902. Note that the first 3 decimals are identical.

The spelling of 2272202497 in words is "two billion, two hundred seventy-two million, two hundred two thousand, four hundred ninety-seven".

Divisors: 1 199 11418103 2272202497