22953409 has 2 divisors, whose sum is σ = 22953410. Its totient is φ = 22953408.

The previous prime is 22953397. The next prime is 22953421. The reversal of 22953409 is 90435922.

It is a balanced prime because it is at equal distance from previous prime (22953397) and next prime (22953421).

It can be written as a sum of positive squares in only one way, i.e., 22467600 + 485809 = 4740^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 22953409 - 2¹¹ = 22951361 is a prime.

It is not a weakly prime, because it can be changed into another prime (22953439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476704 + 11476705.

It is an arithmetic number, because the mean of its divisors is an integer number (11476705).

Almost surely, 2^22953409 is an apocalyptic number.

It is an amenable number.

22953409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22953409 is an equidigital number, since it uses as much as digits as its factorization.

22953409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 22953409 is about 4790.9716133578. The cubic root of 22953409 is about 284.1945412104.

Adding to 22953409 its product of nonzero digits (19440), we get a square (22972849 = 4793²).

The spelling of 22953409 in words is "twenty-two million, nine hundred fifty-three thousand, four hundred nine".