22451246939 has 16 divisors (see below), whose sum is σ = 24618803040. Its totient is φ = 20304936960.

The previous prime is 22451246929. The next prime is 22451246953. The reversal of 22451246939 is 93964215422.

It is not a de Polignac number, because 22451246939 - 2⁸ = 22451246683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22451246893 and 22451246902.

It is not an unprimeable number, because it can be changed into a prime (22451246929) 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, 3608159 + ... + 3614375.

It is an arithmetic number, because the mean of its divisors is an integer number (1538675190).

Almost surely, 2^22451246939 is an apocalyptic number.

22451246939 is a deficient number, since it is larger than the sum of its proper divisors (2167556101).

22451246939 is a wasteful number, since it uses less digits than its factorization.

22451246939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870.

The product of its digits is 933120, while the sum is 47.

The spelling of 22451246939 in words is "twenty-two billion, four hundred fifty-one million, two hundred forty-six thousand, nine hundred thirty-nine".