402445202 has 4 divisors (see below), whose sum is σ = 603667806. Its totient is φ = 201222600.

The previous prime is 402445159. The next prime is 402445261. The reversal of 402445202 is 202544204.

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., 375623161 + 26822041 = 19381^2 + 5179^2 .

It is a super-2 number, since 2×402445202² = 323924281225641608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611299 + ... + 100611302.

Almost surely, 2^402445202 is an apocalyptic number.

402445202 is a deficient number, since it is larger than the sum of its proper divisors (201222604).

402445202 is a wasteful number, since it uses less digits than its factorization.

402445202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201222603.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 402445202 is about 20061.0369123832. The cubic root of 402445202 is about 738.3046176527.

Adding to 402445202 its reverse (202544204), we get a palindrome (604989406).

The spelling of 402445202 in words is "four hundred two million, four hundred forty-five thousand, two hundred two".