3522181772 has 48 divisors (see below), whose sum is σ = 6688429440. Its totient is φ = 1617501312.

The previous prime is 3522181721. The next prime is 3522181781. The reversal of 3522181772 is 2771812253.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443783 + ... + 451649.

It is an arithmetic number, because the mean of its divisors is an integer number (139342280).

Almost surely, 2^3522181772 is an apocalyptic number.

It is an amenable number.

3522181772 is a deficient number, since it is larger than the sum of its proper divisors (3166247668).

3522181772 is a wasteful number, since it uses less digits than its factorization.

3522181772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070 (or 8068 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 3522181772 is about 59347.9719282808. The cubic root of 3522181772 is about 1521.4952063322.

The spelling of 3522181772 in words is "three billion, five hundred twenty-two million, one hundred eighty-one thousand, seven hundred seventy-two".