7556223132 has 48 divisors (see below), whose sum is σ = 19769965600. Its totient is φ = 2495629440.

The previous prime is 7556223127. The next prime is 7556223137. The reversal of 7556223132 is 2313226557.

7556223132 is a `hidden beast` number, since 75 + 562 + 23 + 1 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (7556223127) and next prime (7556223137).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7556223137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309169 + ... + 332712.

Almost surely, 2^7556223132 is an apocalyptic number.

It is an amenable number.

7556223132 is an abundant number, since it is smaller than the sum of its proper divisors (12213742468).

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

7556223132 is a wasteful number, since it uses less digits than its factorization.

7556223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642003 (or 641995 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 7556223132 is about 86926.5387094183. The cubic root of 7556223132 is about 1962.3128960708.

Adding to 7556223132 its reverse (2313226557), we get a palindrome (9869449689).

The spelling of 7556223132 in words is "seven billion, five hundred fifty-six million, two hundred twenty-three thousand, one hundred thirty-two".