2522220631 has 8 divisors (see below), whose sum is σ = 2882874240. Its totient is φ = 2161651128.

The previous prime is 2522220611. The next prime is 2522220661. The reversal of 2522220631 is 1360222252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2522220631 - 2¹³ = 2522212439 is a prime.

It is a super-2 number, since 2×2522220631² = 12723193822884076322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2522220596 and 2522220605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522220601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68880 + ... + 98938.

It is an arithmetic number, because the mean of its divisors is an integer number (360359280).

Almost surely, 2^2522220631 is an apocalyptic number.

2522220631 is a deficient number, since it is larger than the sum of its proper divisors (360653609).

2522220631 is a wasteful number, since it uses less digits than its factorization.

2522220631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42053.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2522220631 is about 50221.7147357595. The cubic root of 2522220631 is about 1361.2180248285.

Adding to 2522220631 its reverse (1360222252), we get a palindrome (3882442883).

The spelling of 2522220631 in words is "two billion, five hundred twenty-two million, two hundred twenty thousand, six hundred thirty-one".