7322166040 has 192 divisors, whose sum is σ = 20266783200. Its totient is φ = 2367332352.

The previous prime is 7322166001. The next prime is 7322166043. The reversal of 7322166040 is 406612237.

It is a super-2 number, since 2×7322166040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7322165993 and 7322166011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7322166043) 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 47 ways as a sum of consecutive naturals, for example, 13145442 + ... + 13145998.

Almost surely, 2^7322166040 is an apocalyptic number.

7322166040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7322166040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10133391600).

7322166040 is an abundant number, since it is smaller than the sum of its proper divisors (12944617160).

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

7322166040 is a wasteful number, since it uses less digits than its factorization.

7322166040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7322166040 is about 85569.6560703618. The cubic root of 7322166040 is about 1941.8388735703.

Adding to 7322166040 its reverse (406612237), we get a palindrome (7728778277).

The spelling of 7322166040 in words is "seven billion, three hundred twenty-two million, one hundred sixty-six thousand, forty".