404010222 has 64 divisors (see below), whose sum is σ = 1014336000. Its totient is φ = 104215680.

The previous prime is 404010133. The next prime is 404010227. The reversal of 404010222 is 222010404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404010227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65904 + ... + 71772.

It is an arithmetic number, because the mean of its divisors is an integer number (15849000).

Almost surely, 2^404010222 is an apocalyptic number.

404010222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 404010222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507168000).

404010222 is an abundant number, since it is smaller than the sum of its proper divisors (610325778).

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

404010222 is a wasteful number, since it uses less digits than its factorization.

404010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 404010222 is about 20100.0055223873. The cubic root of 404010222 is about 739.2604139837.

Adding to 404010222 its reverse (222010404), we get a palindrome (626020626).

The spelling of 404010222 in words is "four hundred four million, ten thousand, two hundred twenty-two".