7764224442 has 32 divisors (see below), whose sum is σ = 16757365632. Its totient is φ = 2384074944.

The previous prime is 7764224423. The next prime is 7764224483. The reversal of 7764224442 is 2444224677.

It is a super-2 number, since 2×7764224442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7764224394 and 7764224403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64213 + ... + 140184.

It is an arithmetic number, because the mean of its divisors is an integer number (523667676).

Almost surely, 2^7764224442 is an apocalyptic number.

7764224442 is an abundant number, since it is smaller than the sum of its proper divisors (8993141190).

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

7764224442 is a wasteful number, since it uses less digits than its factorization.

7764224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204902.

The product of its digits is 602112, while the sum is 42.

The square root of 7764224442 is about 88114.8366735137. The cubic root of 7764224442 is about 1980.1557917412.

The spelling of 7764224442 in words is "seven billion, seven hundred sixty-four million, two hundred twenty-four thousand, four hundred forty-two".