402200000 has 84 divisors (see below), whose sum is σ = 998076744. Its totient is φ = 160800000.

The previous prime is 402199979. The next prime is 402200033. The reversal of 402200000 is 2204.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198995 + ... + 201005.

It is an arithmetic number, because the mean of its divisors is an integer number (11881866).

Almost surely, 2^402200000 is an apocalyptic number.

402200000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499038372).

402200000 is an abundant number, since it is smaller than the sum of its proper divisors (595876744).

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

402200000 is an frugal number, since it uses more digits than its factorization.

402200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 402200000 is about 20054.9245822566. The cubic root of 402200000 is about 738.1546423291.

Adding to 402200000 its reverse (2204), we get a palindrome (402202204).

The spelling of 402200000 in words is "four hundred two million, two hundred thousand".