2245025601 has 72 divisors (see below), whose sum is σ = 4085488680. Its totient is φ = 1177473024.

The previous prime is 2245025591. The next prime is 2245025621. The reversal of 2245025601 is 1065205422.

2245025601 is a `hidden beast` number, since 2 + 2 + 4 + 50 + 2 + 5 + 601 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 357210000 + 1887815601 = 18900^2 + 43449^2 .

It is not a de Polignac number, because 2245025601 - 2⁶ = 2245025537 is a prime.

It is a super-2 number, since 2×2245025601² = 10080279898290822402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245025621) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1105455 + ... + 1107483.

Almost surely, 2^2245025601 is an apocalyptic number.

2245025601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2245025601 is a deficient number, since it is larger than the sum of its proper divisors (1840463079).

2245025601 is a wasteful number, since it uses less digits than its factorization.

2245025601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2245025601 is about 47381.7011197361. The cubic root of 2245025601 is about 1309.4043095123.

The spelling of 2245025601 in words is "two billion, two hundred forty-five million, twenty-five thousand, six hundred one".