2245640932 has 18 divisors (see below), whose sum is σ = 4147595718. Its totient is φ = 1063723968.

The previous prime is 2245640927. The next prime is 2245640933. The reversal of 2245640932 is 2390465422.

It can be written as a sum of positive squares in only one way, i.e., 2245432996 + 207936 = 47386^2 + 456^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2245640891 and 2245640900.

It is not an unprimeable number, because it can be changed into a prime (2245640933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 776133 + ... + 779020.

Almost surely, 2^2245640932 is an apocalyptic number.

It is an amenable number.

2245640932 is a deficient number, since it is larger than the sum of its proper divisors (1901954786).

2245640932 is a wasteful number, since it uses less digits than its factorization.

2245640932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555195 (or 1555174 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2245640932 is about 47388.1940149654. The cubic root of 2245640932 is about 1309.5239285583.

The spelling of 2245640932 in words is "two billion, two hundred forty-five million, six hundred forty thousand, nine hundred thirty-two".