2254445361 has 135 divisors (see below), whose sum is σ = 4259119371. Its totient is φ = 1148660352.

The previous prime is 2254445359. The next prime is 2254445363. The reversal of 2254445361 is 1635444522.

The square root of 2254445361 is 47481.

It is a perfect power (a square), and thus also a powerful number.

2254445361 is a `hidden beast` number, since 2 + 2 + 544 + 4 + 53 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (2254445359) and next prime (2254445363).

It can be written as a sum of positive squares in only one way, i.e., 1755191025 + 499254336 = 41895^2 + 22344^2 .

It is not a de Polignac number, because 2254445361 - 2¹ = 2254445359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2254445363) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 118655010 + ... + 118655028.

Almost surely, 2^2254445361 is an apocalyptic number.

2254445361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2254445361 is the 47481-st square number.

2254445361 is the 23741-st centered octagonal number.

It is an amenable number.

2254445361 is a deficient number, since it is larger than the sum of its proper divisors (2004674010).

2254445361 is an equidigital number, since it uses as much as digits as its factorization.

2254445361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 46 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The cubic root of 2254445361 is about 1311.2331028480.

Multiplying 2254445361 by its sum of digits (36), we get a square (81160032996 = 284886²).

Adding to 2254445361 its reverse (1635444522), we get a palindrome (3889889883).

The spelling of 2254445361 in words is "two billion, two hundred fifty-four million, four hundred forty-five thousand, three hundred sixty-one".