402202444 has 12 divisors (see below), whose sum is σ = 804404944. Its totient is φ = 172372464.

The previous prime is 402202441. The next prime is 402202457. The reversal of 402202444 is 444202204.

402202444 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (402202441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7182159 + ... + 7182214.

Almost surely, 2^402202444 is an apocalyptic number.

It is an amenable number.

402202444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402202444 is a wasteful number, since it uses less digits than its factorization.

402202444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364384 (or 14364382 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 402202444 is about 20054.9855148290. The cubic root of 402202444 is about 738.1561374777.

Adding to 402202444 its reverse (444202204), we get a palindrome (846404648).

The spelling of 402202444 in words is "four hundred two million, two hundred two thousand, four hundred forty-four".