208221348 has 24 divisors (see below), whose sum is σ = 498981952. Its totient is φ = 67531104.

The previous prime is 208221347. The next prime is 208221367. The reversal of 208221348 is 843122802.

It is a super-2 number, since 2×208221348² = 86712259525874208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208221347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234040 + ... + 234927.

Almost surely, 2^208221348 is an apocalyptic number.

It is an amenable number.

208221348 is an abundant number, since it is smaller than the sum of its proper divisors (290760604).

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

208221348 is a wasteful number, since it uses less digits than its factorization.

208221348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469011 (or 469009 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 208221348 is about 14429.8769225520. The cubic root of 208221348 is about 592.7093130755.

The spelling of 208221348 in words is "two hundred eight million, two hundred twenty-one thousand, three hundred forty-eight".