4222145664 has 96 divisors (see below), whose sum is σ = 13254218640. Its totient is φ = 1279434240.

The previous prime is 4222145651. The next prime is 4222145677. The reversal of 4222145664 is 4665412224.

It is an interprime number because it is at equal distance from previous prime (4222145651) and next prime (4222145677).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153922 + ... + 179265.

Almost surely, 2^4222145664 is an apocalyptic number.

4222145664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4222145664 is an abundant number, since it is smaller than the sum of its proper divisors (9032072976).

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

4222145664 is a wasteful number, since it uses less digits than its factorization.

4222145664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333218 (or 333203 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 4222145664 is about 64978.0398596326. The cubic root of 4222145664 is about 1616.2594263765.

Adding to 4222145664 its reverse (4665412224), we get a palindrome (8887557888).

The spelling of 4222145664 in words is "four billion, two hundred twenty-two million, one hundred forty-five thousand, six hundred sixty-four".