22407994249 has 9 divisors (see below), whose sum is σ = 22635551757. Its totient is φ = 22182706284.

The previous prime is 22407994207. The next prime is 22407994277. The reversal of 22407994249 is 94249970422.

The square root of 22407994249 is 149693.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 22407994249 - 2¹⁵ = 22407961481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22407994196 and 22407994205.

It is not an unprimeable number, because it can be changed into a prime (22407994289) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16016452 + ... + 16017850.

Almost surely, 2^22407994249 is an apocalyptic number.

22407994249 is the 149693-rd square number.

22407994249 is the 74847-th centered octagonal number.

It is an amenable number.

22407994249 is a deficient number, since it is larger than the sum of its proper divisors (227557508).

22407994249 is an frugal number, since it uses more digits than its factorization.

22407994249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 22407994249 in words is "twenty-two billion, four hundred seven million, nine hundred ninety-four thousand, two hundred forty-nine".