221957062 has 8 divisors (see below), whose sum is σ = 333191592. Its totient is φ = 110893200.

The previous prime is 221957059. The next prime is 221957063. The reversal of 221957062 is 260759122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221957063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39364 + ... + 44647.

It is an arithmetic number, because the mean of its divisors is an integer number (41648949).

Almost surely, 2^221957062 is an apocalyptic number.

221957062 is a deficient number, since it is larger than the sum of its proper divisors (111234530).

221957062 is a wasteful number, since it uses less digits than its factorization.

221957062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85334.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 221957062 is about 14898.2234511367. The cubic root of 221957062 is about 605.4658543425.

The spelling of 221957062 in words is "two hundred twenty-one million, nine hundred fifty-seven thousand, sixty-two".