402212300 has 72 divisors (see below), whose sum is σ = 1007539680. Its totient is φ = 136512000.

The previous prime is 402212287. The next prime is 402212303. The reversal of 402212300 is 3212204.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (402212303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67856 + ... + 73544.

Almost surely, 2^402212300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503769840).

402212300 is an abundant number, since it is smaller than the sum of its proper divisors (605327380).

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

402212300 is a wasteful number, since it uses less digits than its factorization.

402212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811 (or 5804 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 402212300 is about 20055.2312377594. The cubic root of 402212300 is about 738.1621669517.

Subtracting from 402212300 its product of nonzero digits (96), we obtain a palindrome (402212204).

Adding to 402212300 its reverse (3212204), we get a palindrome (405424504).

The spelling of 402212300 in words is "four hundred two million, two hundred twelve thousand, three hundred".