3746221258 has 16 divisors (see below), whose sum is σ = 6056224776. Its totient is φ = 1727700480.

The previous prime is 3746221253. The next prime is 3746221261. The reversal of 3746221258 is 8521226473.

It can be written as a sum of positive squares in 4 ways, for example, as 2673200209 + 1073021049 = 51703^2 + 32757^2 .

It is a super-2 number, since 2×3746221258² = 28068347427782205128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3746221258.

It is not an unprimeable number, because it can be changed into a prime (3746221253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20191 + ... + 88882.

Almost surely, 2^3746221258 is an apocalyptic number.

3746221258 is a deficient number, since it is larger than the sum of its proper divisors (2310003518).

3746221258 is a wasteful number, since it uses less digits than its factorization.

3746221258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110409.

The product of its digits is 161280, while the sum is 40.

The square root of 3746221258 is about 61206.3824939851. The cubic root of 3746221258 is about 1553.0942362662.

The spelling of 3746221258 in words is "three billion, seven hundred forty-six million, two hundred twenty-one thousand, two hundred fifty-eight".