402442202 has 4 divisors (see below), whose sum is σ = 603663306. Its totient is φ = 201221100.

The previous prime is 402442181. The next prime is 402442219. The reversal of 402442202 is 202244204.

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., 330548761 + 71893441 = 18181^2 + 8479^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610549 + ... + 100610552.

Almost surely, 2^402442202 is an apocalyptic number.

402442202 is a deficient number, since it is larger than the sum of its proper divisors (201221104).

402442202 is a wasteful number, since it uses less digits than its factorization.

402442202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201221103.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 402442202 is about 20060.9621404358. The cubic root of 402442202 is about 738.3027831011.

Adding to 402442202 its reverse (202244204), we get a palindrome (604686406).

The spelling of 402442202 in words is "four hundred two million, four hundred forty-two thousand, two hundred two".