404222452 has 12 divisors (see below), whose sum is σ = 719379360. Its totient is φ = 198685496.

The previous prime is 404222449. The next prime is 404222461. The reversal of 404222452 is 254222404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856168 + ... + 856639.

It is an arithmetic number, because the mean of its divisors is an integer number (59948280).

Almost surely, 2^404222452 is an apocalyptic number.

It is an amenable number.

404222452 is a deficient number, since it is larger than the sum of its proper divisors (315156908).

404222452 is a wasteful number, since it uses less digits than its factorization.

404222452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712870 (or 1712868 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 404222452 is about 20105.2841810306. The cubic root of 404222452 is about 739.3898379146.

Adding to 404222452 its reverse (254222404), we get a palindrome (658444856).

The spelling of 404222452 in words is "four hundred four million, two hundred twenty-two thousand, four hundred fifty-two".