22087402 has 8 divisors (see below), whose sum is σ = 33162912. Its totient is φ = 11033100.

The previous prime is 22087361. The next prime is 22087411. The reversal of 22087402 is 20478022.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (4145364).

Almost surely, 2^22087402 is an apocalyptic number.

22087402 is a deficient number, since it is larger than the sum of its proper divisors (11075510).

22087402 is a wasteful number, since it uses less digits than its factorization.

22087402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 22087402 is about 4699.7236088945. The cubic root of 22087402 is about 280.5745091807.

The spelling of 22087402 in words is "twenty-two million, eighty-seven thousand, four hundred two".