2199999952 has 10 divisors (see below), whose sum is σ = 4262499938. Its totient is φ = 1099999968.

The previous prime is 2199999931. The next prime is 2199999961. The reversal of 2199999952 is 2599999912.

It can be written as a sum of positive squares in only one way, i.e., 2160762256 + 39237696 = 46484^2 + 6264^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68749983 + ... + 68750014.

Almost surely, 2^2199999952 is an apocalyptic number.

It is an amenable number.

2199999952 is a deficient number, since it is larger than the sum of its proper divisors (2062499986).

2199999952 is a wasteful number, since it uses less digits than its factorization.

2199999952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137500005 (or 137499999 counting only the distinct ones).

The product of its digits is 10628820, while the sum is 64.

The square root of 2199999952 is about 46904.1570865526. The cubic root of 2199999952 is about 1300.5914373925.

The spelling of 2199999952 in words is "two billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-two".