2704224157 has 4 divisors (see below), whose sum is σ = 2707098876. Its totient is φ = 2701349440.

The previous prime is 2704224151. The next prime is 2704224163. The reversal of 2704224157 is 7514224072.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2704224151) and next prime (2704224163).

It can be written as a sum of positive squares in 2 ways, for example, as 837465721 + 1866758436 = 28939^2 + 43206^2 .

It is a cyclic number.

It is not a de Polignac number, because 2704224157 - 2¹¹ = 2704222109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2704224151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435948 + ... + 1437829.

It is an arithmetic number, because the mean of its divisors is an integer number (676774719).

Almost surely, 2^2704224157 is an apocalyptic number.

It is an amenable number.

2704224157 is a deficient number, since it is larger than the sum of its proper divisors (2874719).

2704224157 is an equidigital number, since it uses as much as digits as its factorization.

2704224157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874718.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 2704224157 is about 52002.1553111023. The cubic root of 2704224157 is about 1393.2024494867.

The spelling of 2704224157 in words is "two billion, seven hundred four million, two hundred twenty-four thousand, one hundred fifty-seven".