8422277940 has 72 divisors (see below), whose sum is σ = 26493798240. Its totient is φ = 2245939488.

The previous prime is 8422277881. The next prime is 8422277951. The reversal of 8422277940 is 497722248.

It is a super-2 number, since 2×8422277940² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861630 + ... + 871349.

It is an arithmetic number, because the mean of its divisors is an integer number (367969420).

Almost surely, 2^8422277940 is an apocalyptic number.

It is an amenable number.

8422277940 is an abundant number, since it is smaller than the sum of its proper divisors (18071520300).

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

8422277940 is a wasteful number, since it uses less digits than its factorization.

8422277940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733003 (or 1732989 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 8422277940 is about 91772.9695498626. The cubic root of 8422277940 is about 2034.5882079842.

The spelling of 8422277940 in words is "eight billion, four hundred twenty-two million, two hundred seventy-seven thousand, nine hundred forty".