7825222980 has 36 divisors (see below), whose sum is σ = 23736510252. Its totient is φ = 2086726080.

The previous prime is 7825222973. The next prime is 7825222987. The reversal of 7825222980 is 892225287.

It is an interprime number because it is at equal distance from previous prime (7825222973) and next prime (7825222987).

It can be written as a sum of positive squares in 2 ways, for example, as 1789797636 + 6035425344 = 42306^2 + 77688^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7825222980² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7825222987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21736551 + ... + 21736910.

It is an arithmetic number, because the mean of its divisors is an integer number (659347507).

Almost surely, 2^7825222980 is an apocalyptic number.

It is an amenable number.

7825222980 is an abundant number, since it is smaller than the sum of its proper divisors (15911287272).

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

7825222980 is a wasteful number, since it uses less digits than its factorization.

7825222980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43473476 (or 43473471 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 7825222980 is about 88460.2904132696. The cubic root of 7825222980 is about 1985.3278759281.

The spelling of 7825222980 in words is "seven billion, eight hundred twenty-five million, two hundred twenty-two thousand, nine hundred eighty".