22426702461 has 6 divisors (see below), whose sum is σ = 32394125790. Its totient is φ = 14951134968.

The previous prime is 22426702457. The next prime is 22426702477. The reversal of 22426702461 is 16420762422.

It can be written as a sum of positive squares in only one way, i.e., 22007722500 + 418979961 = 148350^2 + 20469^2 .

It is not a de Polignac number, because 22426702461 - 2² = 22426702457 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426702561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1245927906 + ... + 1245927923.

It is an arithmetic number, because the mean of its divisors is an integer number (5399020965).

Almost surely, 2^22426702461 is an apocalyptic number.

It is an amenable number.

22426702461 is a deficient number, since it is larger than the sum of its proper divisors (9967423329).

22426702461 is a wasteful number, since it uses less digits than its factorization.

22426702461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491855835 (or 2491855832 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 22426702461 in words is "twenty-two billion, four hundred twenty-six million, seven hundred two thousand, four hundred sixty-one".