404222130 has 64 divisors (see below), whose sum is σ = 1160853120. Its totient is φ = 99499968.

The previous prime is 404222129. The next prime is 404222219. The reversal of 404222130 is 31222404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54072 + ... + 61091.

It is an arithmetic number, because the mean of its divisors is an integer number (18138330).

Almost surely, 2^404222130 is an apocalyptic number.

404222130 is an abundant number, since it is smaller than the sum of its proper divisors (756630990).

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

404222130 is a wasteful number, since it uses less digits than its factorization.

404222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115192 (or 115186 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 404222130 is about 20105.2761731840. The cubic root of 404222130 is about 739.3896415841.

Adding to 404222130 its reverse (31222404), we get a palindrome (435444534).

The spelling of 404222130 in words is "four hundred four million, two hundred twenty-two thousand, one hundred thirty".