22487902 has 8 divisors (see below), whose sum is σ = 34449696. Its totient is φ = 11004672.

The previous prime is 22487893. The next prime is 22487911. The reversal of 22487902 is 20978422.

It is an interprime number because it is at equal distance from previous prime (22487893) and next prime (22487911).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119523 + ... + 119710.

It is an arithmetic number, because the mean of its divisors is an integer number (4306212).

Almost surely, 2^22487902 is an apocalyptic number.

22487902 is a deficient number, since it is larger than the sum of its proper divisors (11961794).

22487902 is a wasteful number, since it uses less digits than its factorization.

22487902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239282.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22487902 is about 4742.1410776146. The cubic root of 22487902 is about 282.2602011312.

The spelling of 22487902 in words is "twenty-two million, four hundred eighty-seven thousand, nine hundred two".