1222502130 has 48 divisors (see below), whose sum is σ = 3365480664. Its totient is φ = 306823680.

The previous prime is 1222502129. The next prime is 1222502137. The reversal of 1222502130 is 312052221.

1222502130 is a `hidden beast` number, since 12 + 22 + 502 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 788654889 + 433847241 = 28083^2 + 20829^2 .

It is a super-2 number, since 2×1222502130² = 2989022915709073800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1222502137) 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, 397981 + ... + 401040.

Almost surely, 2^1222502130 is an apocalyptic number.

1222502130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222502130 is an abundant number, since it is smaller than the sum of its proper divisors (2142978534).

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

1222502130 is a wasteful number, since it uses less digits than its factorization.

1222502130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799051 (or 799048 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1222502130 is about 34964.2979337495. The cubic root of 1222502130 is about 1069.2597232056.

Adding to 1222502130 its reverse (312052221), we get a palindrome (1534554351).

The spelling of 1222502130 in words is "one billion, two hundred twenty-two million, five hundred two thousand, one hundred thirty".