221262348 has 48 divisors (see below), whose sum is σ = 530893440. Its totient is φ = 71683584.

The previous prime is 221262347. The next prime is 221262359. The reversal of 221262348 is 843262122.

221262348 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221262347) 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, 116188 + ... + 118076.

It is an arithmetic number, because the mean of its divisors is an integer number (11060280).

Almost surely, 2^221262348 is an apocalyptic number.

It is an amenable number.

221262348 is an abundant number, since it is smaller than the sum of its proper divisors (309631092).

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

221262348 is a wasteful number, since it uses less digits than its factorization.

221262348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2164 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 221262348 is about 14874.8898483317. The cubic root of 221262348 is about 604.8335019830.

The spelling of 221262348 in words is "two hundred twenty-one million, two hundred sixty-two thousand, three hundred forty-eight".