4156722 has 12 divisors (see below), whose sum is σ = 9006270. Its totient is φ = 1385568.

The previous prime is 4156709. The next prime is 4156739. The reversal of 4156722 is 2276514.

It can be written as a sum of positive squares in only one way, i.e., 2277081 + 1879641 = 1509^2 + 1371^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115447 + ... + 115482.

Almost surely, 2^4156722 is an apocalyptic number.

4156722 is an abundant number, since it is smaller than the sum of its proper divisors (4849548).

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

4156722 is a wasteful number, since it uses less digits than its factorization.

4156722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230937 (or 230934 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4156722 is about 2038.8040612084. The cubic root of 4156722 is about 160.7867758487.

The spelling of 4156722 in words is "four million, one hundred fifty-six thousand, seven hundred twenty-two".