21822200426 has 16 divisors (see below), whose sum is σ = 35261969568. Its totient is φ = 10068721200.

The previous prime is 21822200371. The next prime is 21822200447. The reversal of 21822200426 is 62400222812.

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, 39380 + ... + 212591.

It is an arithmetic number, because the mean of its divisors is an integer number (2203873098).

Almost surely, 2^21822200426 is an apocalyptic number.

21822200426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

21822200426 is a deficient number, since it is larger than the sum of its proper divisors (13439769142).

21822200426 is a wasteful number, since it uses less digits than its factorization.

21822200426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255317.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 21822200426 in words is "twenty-one billion, eight hundred twenty-two million, two hundred thousand, four hundred twenty-six".