404422134 has 16 divisors (see below), whose sum is σ = 810866160. Its totient is φ = 134470400.

The previous prime is 404422127. The next prime is 404422153. The reversal of 404422134 is 431224404.

It is a happy number.

It is a super-2 number, since 2×404422134² = 327114524938227912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81639 + ... + 86450.

It is an arithmetic number, because the mean of its divisors is an integer number (50679135).

Almost surely, 2^404422134 is an apocalyptic number.

404422134 is an abundant number, since it is smaller than the sum of its proper divisors (406444026).

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

404422134 is a wasteful number, since it uses less digits than its factorization.

404422134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168495.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404422134 is about 20110.2494763243. The cubic root of 404422134 is about 739.5115683596.

Adding to 404422134 its reverse (431224404), we get a palindrome (835646538).

The spelling of 404422134 in words is "four hundred four million, four hundred twenty-two thousand, one hundred thirty-four".