22234881 has 8 divisors (see below), whose sum is σ = 29824704. Its totient is φ = 14734160.

The previous prime is 22234873. The next prime is 22234907. The reversal of 22234881 is 18843222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22234881 - 2³ = 22234873 is a prime.

It is a super-2 number, since 2×22234881² = 988779866168322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22234831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21690 + ... + 22691.

It is an arithmetic number, because the mean of its divisors is an integer number (3728088).

Almost surely, 2^22234881 is an apocalyptic number.

It is an amenable number.

22234881 is a deficient number, since it is larger than the sum of its proper divisors (7589823).

22234881 is a wasteful number, since it uses less digits than its factorization.

22234881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44551.

The product of its digits is 6144, while the sum is 30.

The square root of 22234881 is about 4715.3876828952. The cubic root of 22234881 is about 281.1975957672.

The spelling of 22234881 in words is "twenty-two million, two hundred thirty-four thousand, eight hundred eighty-one".