222051015 has 12 divisors (see below), whose sum is σ = 384888504. Its totient is φ = 118427184.

The previous prime is 222051013. The next prime is 222051017. The reversal of 222051015 is 510150222.

It is an interprime number because it is at equal distance from previous prime (222051013) and next prime (222051017).

It is not a de Polignac number, because 222051015 - 2¹ = 222051013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222051013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2467189 + ... + 2467278.

It is an arithmetic number, because the mean of its divisors is an integer number (32074042).

Almost surely, 2^222051015 is an apocalyptic number.

222051015 is a deficient number, since it is larger than the sum of its proper divisors (162837489).

222051015 is a wasteful number, since it uses less digits than its factorization.

222051015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934478 (or 4934475 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 222051015 is about 14901.3762787200. The cubic root of 222051015 is about 605.5512722282.

It can be divided in two parts, 22205 and 1015, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 222051015 in words is "two hundred twenty-two million, fifty-one thousand, fifteen".