405251122 has 16 divisors (see below), whose sum is σ = 636148800. Its totient is φ = 193252752.

The previous prime is 405251111. The next prime is 405251129. The reversal of 405251122 is 221152504.

It is a junction number, because it is equal to n+sod(n) for n = 405251093 and 405251102.

It is not an unprimeable number, because it can be changed into a prime (405251129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3433 + ... + 28675.

It is an arithmetic number, because the mean of its divisors is an integer number (39759300).

Almost surely, 2^405251122 is an apocalyptic number.

405251122 is a deficient number, since it is larger than the sum of its proper divisors (230897678).

405251122 is a wasteful number, since it uses less digits than its factorization.

405251122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25617.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 405251122 is about 20130.8500068924. The cubic root of 405251122 is about 740.0165092494.

The spelling of 405251122 in words is "four hundred five million, two hundred fifty-one thousand, one hundred twenty-two".