747440553222 has 96 divisors (see below), whose sum is σ = 1870987248000. Its totient is φ = 213129634560.

The previous prime is 747440553149. The next prime is 747440553241. The reversal of 747440553222 is 222355044747.

747440553222 is a `hidden beast` number, since 7 + 4 + 74 + 4 + 0 + 553 + 2 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18435529 + ... + 18476027.

It is an arithmetic number, because the mean of its divisors is an integer number (19489450500).

Almost surely, 2^747440553222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747440553222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935493624000).

747440553222 is an abundant number, since it is smaller than the sum of its proper divisors (1123546694778).

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

747440553222 is a wasteful number, since it uses less digits than its factorization.

747440553222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46018 (or 46015 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 45.

Adding to 747440553222 its reverse (222355044747), we get a palindrome (969795597969).

The spelling of 747440553222 in words is "seven hundred forty-seven billion, four hundred forty million, five hundred fifty-three thousand, two hundred twenty-two".