2245644522 has 96 divisors (see below), whose sum is σ = 5545687680. Its totient is φ = 650482560.

The previous prime is 2245644517. The next prime is 2245644547. The reversal of 2245644522 is 2254465422.

2245644522 is a `hidden beast` number, since 2 + 2 + 4 + 5 + 644 + 5 + 2 + 2 = 666.

2245644522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 589528 + ... + 593324.

It is an arithmetic number, because the mean of its divisors is an integer number (57767580).

Almost surely, 2^2245644522 is an apocalyptic number.

2245644522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245644522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2772843840).

2245644522 is an abundant number, since it is smaller than the sum of its proper divisors (3300043158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2245644522 is a wasteful number, since it uses less digits than its factorization.

2245644522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948 (or 3945 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 2245644522 is about 47388.2318935830. The cubic root of 2245644522 is about 1309.5246263826.

Subtracting 2245644522 from its reverse (2254465422), we obtain a square (8820900 = 2970²).

The spelling of 2245644522 in words is "two billion, two hundred forty-five million, six hundred forty-four thousand, five hundred twenty-two".