21822039201 has 16 divisors (see below), whose sum is σ = 30631035200. Its totient is φ = 13780715328.

The previous prime is 21822039193. The next prime is 21822039209. The reversal of 21822039201 is 10293022812.

It is an interprime number because it is at equal distance from previous prime (21822039193) and next prime (21822039209).

It is not a de Polignac number, because 21822039201 - 2³ = 21822039193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21822039209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628155 + ... + 661983.

It is an arithmetic number, because the mean of its divisors is an integer number (1914439700).

Almost surely, 2^21822039201 is an apocalyptic number.

It is an amenable number.

21822039201 is a deficient number, since it is larger than the sum of its proper divisors (8808995999).

21822039201 is a wasteful number, since it uses less digits than its factorization.

21822039201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45168.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 21822039201 in words is "twenty-one billion, eight hundred twenty-two million, thirty-nine thousand, two hundred one".