3667221764 has 12 divisors (see below), whose sum is σ = 6418543824. Its totient is φ = 1833352104.

The previous prime is 3667221731. The next prime is 3667221769. The reversal of 3667221764 is 4671227663.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3667221769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30842 + ... + 91025.

It is an arithmetic number, because the mean of its divisors is an integer number (534878652).

Almost surely, 2^3667221764 is an apocalyptic number.

It is an amenable number.

3667221764 is a deficient number, since it is larger than the sum of its proper divisors (2751322060).

3667221764 is a wasteful number, since it uses less digits than its factorization.

3667221764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129394 (or 129392 counting only the distinct ones).

The product of its digits is 508032, while the sum is 44.

The square root of 3667221764 is about 60557.5904738622. The cubic root of 3667221764 is about 1542.0994814481.

The spelling of 3667221764 in words is "three billion, six hundred sixty-seven million, two hundred twenty-one thousand, seven hundred sixty-four".