2224578402 has 18 divisors (see below), whose sum is σ = 4820353473. Its totient is φ = 741459432.

The previous prime is 2224578361. The next prime is 2224578467. The reversal of 2224578402 is 2048754222.

2224578402 is a `hidden beast` number, since 2 + 2 + 245 + 7 + 8 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1806335001 + 418243401 = 42501^2 + 20451^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33351.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 194548 + ... + 205664.

Almost surely, 2^2224578402 is an apocalyptic number.

2224578402 is an abundant number, since it is smaller than the sum of its proper divisors (2595775071).

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

2224578402 is an frugal number, since it uses more digits than its factorization.

2224578402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22242 (or 11122 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 2224578402 is about 47165.4365187051. The cubic root of 2224578402 is about 1305.4169240812.

The spelling of 2224578402 in words is "two billion, two hundred twenty-four million, five hundred seventy-eight thousand, four hundred two".