2253642002 has 4 divisors (see below), whose sum is σ = 3380463006. Its totient is φ = 1126821000.

The previous prime is 2253641993. The next prime is 2253642007. The reversal of 2253642002 is 2002463522.

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., 1902791641 + 350850361 = 43621^2 + 18731^2 .

It is not an unprimeable number, because it can be changed into a prime (2253642007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563410499 + ... + 563410502.

Almost surely, 2^2253642002 is an apocalyptic number.

2253642002 is a deficient number, since it is larger than the sum of its proper divisors (1126821004).

2253642002 is a wasteful number, since it uses less digits than its factorization.

2253642002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126821003.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2253642002 is about 47472.5394517715. The cubic root of 2253642002 is about 1311.0773341490.

The spelling of 2253642002 in words is "two billion, two hundred fifty-three million, six hundred forty-two thousand, two".