1215650022 has 32 divisors (see below), whose sum is σ = 2502615552. Its totient is φ = 393380064.

The previous prime is 1215650017. The next prime is 1215650057. The reversal of 1215650022 is 2200565121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1215649974 and 1215650001.

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, 96873 + ... + 108699.

It is an arithmetic number, because the mean of its divisors is an integer number (78206736).

Almost surely, 2^1215650022 is an apocalyptic number.

1215650022 is an abundant number, since it is smaller than the sum of its proper divisors (1286965530).

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

1215650022 is a wasteful number, since it uses less digits than its factorization.

1215650022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12332.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1215650022 is about 34866.1730334719. The cubic root of 1215650022 is about 1067.2582503352.

The spelling of 1215650022 in words is "one billion, two hundred fifteen million, six hundred fifty thousand, twenty-two".