1222153432 has 32 divisors (see below), whose sum is σ = 2332797120. Its totient is φ = 600130080.

The previous prime is 1222153411. The next prime is 1222153433. The reversal of 1222153432 is 2343512221.

It is a super-2 number, since 2×1222153432² = 2987318022698757248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222153397 and 1222153406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222153433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182707 + ... + 189277.

It is an arithmetic number, because the mean of its divisors is an integer number (72899910).

Almost surely, 2^1222153432 is an apocalyptic number.

It is an amenable number.

1222153432 is a deficient number, since it is larger than the sum of its proper divisors (1110643688).

1222153432 is a wasteful number, since it uses less digits than its factorization.

1222153432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991 (or 6987 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 1222153432 is about 34959.3110916105. The cubic root of 1222153432 is about 1069.1580508042.

Adding to 1222153432 its reverse (2343512221), we get a palindrome (3565665653).

The spelling of 1222153432 in words is "one billion, two hundred twenty-two million, one hundred fifty-three thousand, four hundred thirty-two".