2199452456 has 8 divisors (see below), whose sum is σ = 4123973370. Its totient is φ = 1099726224.

The previous prime is 2199452429. The next prime is 2199452471. The reversal of 2199452456 is 6542549912.

It can be written as a sum of positive squares in only one way, i.e., 1777971556 + 421480900 = 42166^2 + 20530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2199452456² = 9675182212408863872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2199452456.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137465771 + ... + 137465786.

Almost surely, 2^2199452456 is an apocalyptic number.

It is an amenable number.

2199452456 is a deficient number, since it is larger than the sum of its proper divisors (1924520914).

2199452456 is a wasteful number, since it uses less digits than its factorization.

2199452456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274931563 (or 274931559 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 2199452456 is about 46898.3203963639. The cubic root of 2199452456 is about 1300.4835392558.

The spelling of 2199452456 in words is "two billion, one hundred ninety-nine million, four hundred fifty-two thousand, four hundred fifty-six".