222150516 has 72 divisors (see below), whose sum is σ = 619337376. Its totient is φ = 61750080.

The previous prime is 222150443. The next prime is 222150541. The reversal of 222150516 is 615051222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16651 + ... + 26861.

It is an arithmetic number, because the mean of its divisors is an integer number (8601908).

Almost surely, 2^222150516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222150516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309668688).

222150516 is an abundant number, since it is smaller than the sum of its proper divisors (397186860).

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

222150516 is a wasteful number, since it uses less digits than its factorization.

222150516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269 (or 10260 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 222150516 is about 14904.7145561396. The cubic root of 222150516 is about 605.6417078422.

The spelling of 222150516 in words is "two hundred twenty-two million, one hundred fifty thousand, five hundred sixteen".