3135722220 has 60 divisors (see below), whose sum is σ = 9836881824. Its totient is φ = 836192160.

The previous prime is 3135722197. The next prime is 3135722257. The reversal of 3135722220 is 222275313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 966196 + ... + 969435.

Almost surely, 2^3135722220 is an apocalyptic number.

3135722220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3135722220 is an abundant number, since it is smaller than the sum of its proper divisors (6701159604).

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

3135722220 is a wasteful number, since it uses less digits than its factorization.

3135722220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935652 (or 1935641 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3135722220 is about 55997.5197665039. The cubic root of 3135722220 is about 1463.6790649635.

Adding to 3135722220 its reverse (222275313), we get a palindrome (3357997533).

The spelling of 3135722220 in words is "three billion, one hundred thirty-five million, seven hundred twenty-two thousand, two hundred twenty".