2243725402 has 4 divisors (see below), whose sum is σ = 3365588106. Its totient is φ = 1121862700.

The previous prime is 2243725391. The next prime is 2243725411. The reversal of 2243725402 is 2045273422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2199516201 + 44209201 = 46899^2 + 6649^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560931349 + ... + 560931352.

Almost surely, 2^2243725402 is an apocalyptic number.

2243725402 is a deficient number, since it is larger than the sum of its proper divisors (1121862704).

2243725402 is a wasteful number, since it uses less digits than its factorization.

2243725402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121862703.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 2243725402 is about 47367.9786564721. The cubic root of 2243725402 is about 1309.1514816690.

Adding to 2243725402 its reverse (2045273422), we get a palindrome (4288998824).

The spelling of 2243725402 in words is "two billion, two hundred forty-three million, seven hundred twenty-five thousand, four hundred two".