22491035 has 16 divisors (see below), whose sum is σ = 31048896. Its totient is φ = 15320448.

The previous prime is 22491023. The next prime is 22491047. The reversal of 22491035 is 53019422.

It is an interprime number because it is at equal distance from previous prime (22491023) and next prime (22491047).

It is a cyclic number.

It is not a de Polignac number, because 22491035 - 2⁴ = 22491019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22490995 and 22491013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3449 + ... + 7541.

It is an arithmetic number, because the mean of its divisors is an integer number (1940556).

Almost surely, 2^22491035 is an apocalyptic number.

22491035 is a deficient number, since it is larger than the sum of its proper divisors (8557861).

22491035 is a wasteful number, since it uses less digits than its factorization.

22491035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22491035 is about 4742.4714021278. The cubic root of 22491035 is about 282.2733086255.

The spelling of 22491035 in words is "twenty-two million, four hundred ninety-one thousand, thirty-five".