208222620 has 48 divisors (see below), whose sum is σ = 589589280. Its totient is φ = 54900736.

The previous prime is 208222603. The next prime is 208222649. The reversal of 208222620 is 26222802.

208222620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14157 + ... + 24836.

It is an arithmetic number, because the mean of its divisors is an integer number (12283110).

Almost surely, 2^208222620 is an apocalyptic number.

208222620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208222620 is an abundant number, since it is smaller than the sum of its proper divisors (381366660).

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

208222620 is a wasteful number, since it uses less digits than its factorization.

208222620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39094 (or 39092 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 208222620 is about 14429.9209977047. The cubic root of 208222620 is about 592.7105200038.

The spelling of 208222620 in words is "two hundred eight million, two hundred twenty-two thousand, six hundred twenty".