22501731461 has 16 divisors (see below), whose sum is σ = 25220825280. Its totient is φ = 19902036480.

The previous prime is 22501731457. The next prime is 22501731467. The reversal of 22501731461 is 16413710522.

It is a cyclic number.

It is not a de Polignac number, because 22501731461 - 2² = 22501731457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501731467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115766 + ... + 241671.

It is an arithmetic number, because the mean of its divisors is an integer number (1576301580).

Almost surely, 2^22501731461 is an apocalyptic number.

It is an amenable number.

22501731461 is a deficient number, since it is larger than the sum of its proper divisors (2719093819).

22501731461 is a wasteful number, since it uses less digits than its factorization.

22501731461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357604.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 22501731461 in words is "twenty-two billion, five hundred one million, seven hundred thirty-one thousand, four hundred sixty-one".