1222534152 has 48 divisors (see below), whose sum is σ = 3784035840. Its totient is φ = 349295328.

The previous prime is 1222534147. The next prime is 1222534153. The reversal of 1222534152 is 2514352221.

1222534152 is a `hidden beast` number, since 122 + 2 + 534 + 1 + 5 + 2 = 666.

It is a super-4 number, since 4×1222534152⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222534153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1212328 + ... + 1213335.

It is an arithmetic number, because the mean of its divisors is an integer number (78834080).

Almost surely, 2^1222534152 is an apocalyptic number.

1222534152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222534152 is an abundant number, since it is smaller than the sum of its proper divisors (2561501688).

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

1222534152 is a wasteful number, since it uses less digits than its factorization.

1222534152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425682 (or 2425675 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1222534152 is about 34964.7558550035. The cubic root of 1222534152 is about 1069.2690591228.

Adding to 1222534152 its reverse (2514352221), we get a palindrome (3736886373).

The spelling of 1222534152 in words is "one billion, two hundred twenty-two million, five hundred thirty-four thousand, one hundred fifty-two".