2251325022 has 64 divisors (see below), whose sum is σ = 4653158400. Its totient is φ = 725915520.

The previous prime is 2251325003. The next prime is 2251325023. The reversal of 2251325022 is 2205231522.

2251325022 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2251324983 and 2251325001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251325023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8369104 + ... + 8369372.

It is an arithmetic number, because the mean of its divisors is an integer number (72705600).

Almost surely, 2^2251325022 is an apocalyptic number.

2251325022 is an abundant number, since it is smaller than the sum of its proper divisors (2401833378).

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

2251325022 is a wasteful number, since it uses less digits than its factorization.

2251325022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2251325022 is about 47448.1298050829. The cubic root of 2251325022 is about 1310.6278718132.

Adding to 2251325022 its reverse (2205231522), we get a palindrome (4456556544).

The spelling of 2251325022 in words is "two billion, two hundred fifty-one million, three hundred twenty-five thousand, twenty-two".