21822200402 has 16 divisors (see below), whose sum is σ = 32871632640. Its totient is φ = 10865058768.

The previous prime is 21822200371. The next prime is 21822200447. The reversal of 21822200402 is 20400222812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639743 + ... + 672989.

It is an arithmetic number, because the mean of its divisors is an integer number (2054477040).

Almost surely, 2^21822200402 is an apocalyptic number.

21822200402 is a deficient number, since it is larger than the sum of its proper divisors (11049432238).

21822200402 is a wasteful number, since it uses less digits than its factorization.

21822200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34625.

The product of its (nonzero) digits is 1024, while the sum is 23.

The spelling of 21822200402 in words is "twenty-one billion, eight hundred twenty-two million, two hundred thousand, four hundred two".