208222648 has 8 divisors (see below), whose sum is σ = 390417480. Its totient is φ = 104111320.

The previous prime is 208222603. The next prime is 208222649. The reversal of 208222648 is 846222802.

208222648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×208222648² = 86713342280263808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208222649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13013908 + ... + 13013923.

It is an arithmetic number, because the mean of its divisors is an integer number (48802185).

Almost surely, 2^208222648 is an apocalyptic number.

It is an amenable number.

208222648 is a deficient number, since it is larger than the sum of its proper divisors (182194832).

208222648 is a wasteful number, since it uses less digits than its factorization.

208222648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26027837 (or 26027833 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 208222648 is about 14429.9219679110. The cubic root of 208222648 is about 592.7105465713.

The spelling of 208222648 in words is "two hundred eight million, two hundred twenty-two thousand, six hundred forty-eight".