1308622225 has 24 divisors (see below), whose sum is σ = 1685303840. Its totient is φ = 1007233920.

The previous prime is 1308622223. The next prime is 1308622241. The reversal of 1308622225 is 5222268031.

It is not a de Polignac number, because 1308622225 - 2¹ = 1308622223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1308622223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62941 + ... + 81109.

Almost surely, 2^1308622225 is an apocalyptic number.

It is an amenable number.

1308622225 is a deficient number, since it is larger than the sum of its proper divisors (376681615).

1308622225 is a wasteful number, since it uses less digits than its factorization.

1308622225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289 (or 18284 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1308622225 is about 36174.8838975331. The cubic root of 1308622225 is about 1093.8004489383.

The spelling of 1308622225 in words is "one billion, three hundred eight million, six hundred twenty-two thousand, two hundred twenty-five".