213475122 has 64 divisors (see below), whose sum is σ = 547522560. Its totient is φ = 60389712.

The previous prime is 213475117. The next prime is 213475147. The reversal of 213475122 is 221574312.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36193 + ... + 41675.

It is an arithmetic number, because the mean of its divisors is an integer number (8555040).

Almost surely, 2^213475122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213475122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273761280).

213475122 is an abundant number, since it is smaller than the sum of its proper divisors (334047438).

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

213475122 is a wasteful number, since it uses less digits than its factorization.

213475122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604 (or 5598 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 213475122 is about 14610.7878637670. The cubic root of 213475122 is about 597.6529811417.

The spelling of 213475122 in words is "two hundred thirteen million, four hundred seventy-five thousand, one hundred twenty-two".