4220946972 has 72 divisors (see below), whose sum is σ = 11830461552. Its totient is φ = 1258099200.

The previous prime is 4220946967. The next prime is 4220946979. The reversal of 4220946972 is 2796490224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220946979) 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 23 ways as a sum of consecutive naturals, for example, 63213 + ... + 111524.

It is an arithmetic number, because the mean of its divisors is an integer number (164311966).

Almost surely, 2^4220946972 is an apocalyptic number.

It is an amenable number.

4220946972 is an abundant number, since it is smaller than the sum of its proper divisors (7609514580).

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

4220946972 is a wasteful number, since it uses less digits than its factorization.

4220946972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174819 (or 174814 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 4220946972 is about 64968.8153809195. The cubic root of 4220946972 is about 1616.1064567118.

The spelling of 4220946972 in words is "four billion, two hundred twenty million, nine hundred forty-six thousand, nine hundred seventy-two".