2196401922 has 72 divisors (see below), whose sum is σ = 5633268732. Its totient is φ = 614370240.

The previous prime is 2196401903. The next prime is 2196401959. The reversal of 2196401922 is 2291046912.

2196401922 is a `hidden beast` number, since 2 + 1 + 9 + 640 + 1 + 9 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2155837761 + 40564161 = 46431^2 + 6369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10473 + ... + 67100.

Almost surely, 2^2196401922 is an apocalyptic number.

2196401922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2196401922 is an abundant number, since it is smaller than the sum of its proper divisors (3436866810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2196401922 is a wasteful number, since it uses less digits than its factorization.

2196401922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77616 (or 77602 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2196401922 is about 46865.7862624751. The cubic root of 2196401922 is about 1299.8820251916.

The spelling of 2196401922 in words is "two billion, one hundred ninety-six million, four hundred one thousand, nine hundred twenty-two".