2196940562 has 16 divisors (see below), whose sum is σ = 3327739800. Its totient is φ = 1087706880.

The previous prime is 2196940561. The next prime is 2196940567. The reversal of 2196940562 is 2650496912.

It can be written as a sum of positive squares in 4 ways, for example, as 1123657441 + 1073283121 = 33521^2 + 32761^2 .

It is not an unprimeable number, because it can be changed into a prime (2196940561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678764 + ... + 681992.

Almost surely, 2^2196940562 is an apocalyptic number.

2196940562 is a deficient number, since it is larger than the sum of its proper divisors (1130799238).

2196940562 is a wasteful number, since it uses less digits than its factorization.

2196940562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2196940562 is about 46871.5325330845. The cubic root of 2196940562 is about 1299.9882764229.

The spelling of 2196940562 in words is "two billion, one hundred ninety-six million, nine hundred forty thousand, five hundred sixty-two".