22890867 has 4 divisors (see below), whose sum is σ = 30521160. Its totient is φ = 15260576.

The previous prime is 22890863. The next prime is 22890871. The reversal of 22890867 is 76809822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22890863) and next prime (22890871).

It is a cyclic number.

It is not a de Polignac number, because 22890867 - 2² = 22890863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22890863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815142 + ... + 3815147.

It is an arithmetic number, because the mean of its divisors is an integer number (7630290).

Almost surely, 2^22890867 is an apocalyptic number.

22890867 is a deficient number, since it is larger than the sum of its proper divisors (7630293).

22890867 is an equidigital number, since it uses as much as digits as its factorization.

22890867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630292.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 22890867 is about 4784.4400926336. The cubic root of 22890867 is about 283.9361879709.

The spelling of 22890867 in words is "twenty-two million, eight hundred ninety thousand, eight hundred sixty-seven".