22487084 has 6 divisors (see below), whose sum is σ = 39352404. Its totient is φ = 11243540.

The previous prime is 22487081. The next prime is 22487099. The reversal of 22487084 is 48078422.

It is not an unprimeable number, because it can be changed into a prime (22487081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810882 + ... + 2810889.

It is an arithmetic number, because the mean of its divisors is an integer number (6558734).

Almost surely, 2^22487084 is an apocalyptic number.

It is an amenable number.

22487084 is a deficient number, since it is larger than the sum of its proper divisors (16865320).

22487084 is a wasteful number, since it uses less digits than its factorization.

22487084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621775 (or 5621773 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 22487084 is about 4742.0548288690. The cubic root of 22487084 is about 282.2567786740.

The spelling of 22487084 in words is "twenty-two million, four hundred eighty-seven thousand, eighty-four".