3700961221 has 8 divisors (see below), whose sum is σ = 3781085184. Its totient is φ = 3621218640.

The previous prime is 3700961213. The next prime is 3700961233. The reversal of 3700961221 is 1221690073.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3700961221 - 2³ = 3700961213 is a prime.

It is a super-2 number, since 2×3700961221² = 27394227918691621682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3700961521) 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 7 ways as a sum of consecutive naturals, for example, 75685 + ... + 114586.

It is an arithmetic number, because the mean of its divisors is an integer number (472635648).

Almost surely, 2^3700961221 is an apocalyptic number.

It is an amenable number.

3700961221 is a deficient number, since it is larger than the sum of its proper divisors (80123963).

3700961221 is a wasteful number, since it uses less digits than its factorization.

3700961221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190691.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3700961221 is about 60835.5259778363. The cubic root of 3700961221 is about 1546.8142992613.

The spelling of 3700961221 in words is "three billion, seven hundred million, nine hundred sixty-one thousand, two hundred twenty-one".