402234100 has 18 divisors (see below), whose sum is σ = 872848214. Its totient is φ = 160893600.

The previous prime is 402233981. The next prime is 402234121. The reversal of 402234100 is 1432204.

It can be written as a sum of positive squares in 3 ways, for example, as 35664784 + 366569316 = 5972^2 + 19146^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2011071 + ... + 2011270.

Almost surely, 2^402234100 is an apocalyptic number.

It is an amenable number.

402234100 is an abundant number, since it is smaller than the sum of its proper divisors (470614114).

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

402234100 is a wasteful number, since it uses less digits than its factorization.

402234100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022355 (or 4022348 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402234100 is about 20055.7747294888. The cubic root of 402234100 is about 738.1755028977.

Adding to 402234100 its reverse (1432204), we get a palindrome (403666304).

The spelling of 402234100 in words is "four hundred two million, two hundred thirty-four thousand, one hundred".