22474691 has 2 divisors, whose sum is σ = 22474692. Its totient is φ = 22474690.

The previous prime is 22474667. The next prime is 22474717. The reversal of 22474691 is 19647422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22474691 is a prime.

It is a super-2 number, since 2×22474691² = 1010223471090962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22474091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11237345 + 11237346.

It is an arithmetic number, because the mean of its divisors is an integer number (11237346).

Almost surely, 2^22474691 is an apocalyptic number.

22474691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22474691 is an equidigital number, since it uses as much as digits as its factorization.

22474691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 22474691 is about 4740.7479367712. The cubic root of 22474691 is about 282.2049170356.

The spelling of 22474691 in words is "twenty-two million, four hundred seventy-four thousand, six hundred ninety-one".