2522222101 has 4 divisors (see below), whose sum is σ = 2882539552. Its totient is φ = 2161904652.

The previous prime is 2522222077. The next prime is 2522222107. The reversal of 2522222101 is 1012222252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2522222101 - 2⁵ = 2522222069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522222107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180158715 + ... + 180158728.

It is an arithmetic number, because the mean of its divisors is an integer number (720634888).

Almost surely, 2^2522222101 is an apocalyptic number.

It is an amenable number.

2522222101 is a deficient number, since it is larger than the sum of its proper divisors (360317451).

2522222101 is an equidigital number, since it uses as much as digits as its factorization.

2522222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360317450.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2522222101 is about 50221.7293708610. The cubic root of 2522222101 is about 1361.2182892767.

Adding to 2522222101 its reverse (1012222252), we get a palindrome (3534444353).

The spelling of 2522222101 in words is "two billion, five hundred twenty-two million, two hundred twenty-two thousand, one hundred one".