10257222 has 32 divisors (see below), whose sum is σ = 21866112. Its totient is φ = 3196544.

The previous prime is 10257197. The next prime is 10257229. The reversal of 10257222 is 22275201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10257229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22933 + ... + 23375.

It is an arithmetic number, because the mean of its divisors is an integer number (683316).

Almost surely, 2^10257222 is an apocalyptic number.

10257222 is an abundant number, since it is smaller than the sum of its proper divisors (11608890).

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

10257222 is a wasteful number, since it uses less digits than its factorization.

10257222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 10257222 is about 3202.6898070216. The cubic root of 10257222 is about 217.2750799456.

The spelling of 10257222 in words is "ten million, two hundred fifty-seven thousand, two hundred twenty-two".