22696326409 has 9 divisors (see below), whose sum is σ = 22999318797. Its totient is φ = 22397280204.

The previous prime is 22696326407. The next prime is 22696326421. The reversal of 22696326409 is 90462369622.

The square root of 22696326409 is 150653.

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

It is not a de Polignac number, because 22696326409 - 2¹ = 22696326407 is a prime.

It is a super-3 number, since 3×22696326409³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22696326407) 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, 11900634 + ... + 11902540.

Almost surely, 2^22696326409 is an apocalyptic number.

22696326409 is the 150653-rd square number.

22696326409 is the 75327-th centered octagonal number.

It is an amenable number.

22696326409 is a deficient number, since it is larger than the sum of its proper divisors (302992388).

22696326409 is an frugal number, since it uses more digits than its factorization.

22696326409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 49.

Multiplying 22696326409 by its sum of digits (49), we get a square (1112119994041 = 1054571²).

The spelling of 22696326409 in words is "twenty-two billion, six hundred ninety-six million, three hundred twenty-six thousand, four hundred nine".