22285481 has 8 divisors (see below), whose sum is σ = 22898304. Its totient is φ = 21677040.

The previous prime is 22285477. The next prime is 22285489. The reversal of 22285481 is 18458222.

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 22285481 - 2² = 22285477 is a prime.

It is a super-2 number, since 2×22285481² = 993285326802722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22285489) 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, 10976 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (2862288).

Almost surely, 2^22285481 is an apocalyptic number.

It is an amenable number.

22285481 is a deficient number, since it is larger than the sum of its proper divisors (612823).

22285481 is a wasteful number, since it uses less digits than its factorization.

22285481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191.

The product of its digits is 10240, while the sum is 32.

The square root of 22285481 is about 4720.7500463380. The cubic root of 22285481 is about 281.4107416289.

The spelling of 22285481 in words is "twenty-two million, two hundred eighty-five thousand, four hundred eighty-one".