2147225401 has 2 divisors, whose sum is σ = 2147225402. Its totient is φ = 2147225400.

The previous prime is 2147225387. The next prime is 2147225413. The reversal of 2147225401 is 1045227412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1694557225 + 452668176 = 41165^2 + 21276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2147225401 - 2¹⁷ = 2147094329 is a prime.

It is a super-2 number, since 2×2147225401² = 9221153845399221602, 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 2147225401.

It is not a weakly prime, because it can be changed into another prime (2147220401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073612700 + 1073612701.

It is an arithmetic number, because the mean of its divisors is an integer number (1073612701).

Almost surely, 2^2147225401 is an apocalyptic number.

It is an amenable number.

2147225401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147225401 is an equidigital number, since it uses as much as digits as its factorization.

2147225401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2147225401 is about 46338.1635479871. The cubic root of 2147225401 is about 1290.1074367183.

The spelling of 2147225401 in words is "two billion, one hundred forty-seven million, two hundred twenty-five thousand, four hundred one".