222082621 has 8 divisors (see below), whose sum is σ = 240090080. Its totient is φ = 204707088.

The previous prime is 222082613. The next prime is 222082633. The reversal of 222082621 is 126280222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222082621 - 2³ = 222082613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222082921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157251 + ... + 158656.

It is an arithmetic number, because the mean of its divisors is an integer number (30011260).

Almost surely, 2^222082621 is an apocalyptic number.

It is an amenable number.

222082621 is a deficient number, since it is larger than the sum of its proper divisors (18007459).

222082621 is a wasteful number, since it uses less digits than its factorization.

222082621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315963.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 222082621 is about 14902.4367470558. The cubic root of 222082621 is about 605.5800015805.

The spelling of 222082621 in words is "two hundred twenty-two million, eighty-two thousand, six hundred twenty-one".