215461122 has 16 divisors (see below), whose sum is σ = 431112000. Its totient is φ = 71788752.

The previous prime is 215461093. The next prime is 215461157. The reversal of 215461122 is 221164512.

215461122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 215461092 and 215461101.

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, 9963 + ... + 23025.

It is an arithmetic number, because the mean of its divisors is an integer number (26944500).

Almost surely, 2^215461122 is an apocalyptic number.

215461122 is an abundant number, since it is smaller than the sum of its proper divisors (215650878).

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

215461122 is a wasteful number, since it uses less digits than its factorization.

215461122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15817.

The product of its digits is 960, while the sum is 24.

The square root of 215461122 is about 14678.5940062392. The cubic root of 215461122 is about 599.5006233758.

The spelling of 215461122 in words is "two hundred fifteen million, four hundred sixty-one thousand, one hundred twenty-two".