7822189452 has 96 divisors (see below), whose sum is σ = 23489593344. Its totient is φ = 1966190400.

The previous prime is 7822189433. The next prime is 7822189457. The reversal of 7822189452 is 2549812287.

It is a super-2 number, since 2×7822189452² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7822189457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107898 + ... + 165185.

It is an arithmetic number, because the mean of its divisors is an integer number (244683264).

Almost surely, 2^7822189452 is an apocalyptic number.

It is an amenable number.

7822189452 is an abundant number, since it is smaller than the sum of its proper divisors (15667403892).

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

7822189452 is a wasteful number, since it uses less digits than its factorization.

7822189452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273139 (or 273137 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 7822189452 is about 88443.1424814835. The cubic root of 7822189452 is about 1985.0712985280.

The spelling of 7822189452 in words is "seven billion, eight hundred twenty-two million, one hundred eighty-nine thousand, four hundred fifty-two".