22867881 has 4 divisors (see below), whose sum is σ = 30490512. Its totient is φ = 15245252.

The previous prime is 22867879. The next prime is 22867883. The reversal of 22867881 is 18876822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (22867879) and next prime (22867883).

It is a cyclic number.

It is not a de Polignac number, because 22867881 - 2¹ = 22867879 is a prime.

It is a super-2 number, since 2×22867881² = 1045879962860322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22867883) 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, 3811311 + ... + 3811316.

It is an arithmetic number, because the mean of its divisors is an integer number (7622628).

Almost surely, 2^22867881 is an apocalyptic number.

It is an amenable number.

22867881 is a deficient number, since it is larger than the sum of its proper divisors (7622631).

22867881 is an equidigital number, since it uses as much as digits as its factorization.

22867881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622630.

The product of its digits is 86016, while the sum is 42.

The square root of 22867881 is about 4782.0373273324. The cubic root of 22867881 is about 283.8411174056.

It can be divided in two parts, 22 and 867881, that added together give a triangular number (867903 = T₁₃₁₇).

The spelling of 22867881 in words is "twenty-two million, eight hundred sixty-seven thousand, eight hundred eighty-one".