3915722 has 4 divisors (see below), whose sum is σ = 5873586. Its totient is φ = 1957860.

The previous prime is 3915719. The next prime is 3915731. The reversal of 3915722 is 2275193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2275193 = 19 ⋅119747.

It can be written as a sum of positive squares in only one way, i.e., 3644281 + 271441 = 1909^2 + 521^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978929 + ... + 978932.

Almost surely, 2^3915722 is an apocalyptic number.

3915722 is a deficient number, since it is larger than the sum of its proper divisors (1957864).

3915722 is a wasteful number, since it uses less digits than its factorization.

3915722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957863.

The product of its digits is 3780, while the sum is 29.

The square root of 3915722 is about 1978.8183342591. The cubic root of 3915722 is about 157.6173241883.

The spelling of 3915722 in words is "three million, nine hundred fifteen thousand, seven hundred twenty-two".