2522222541 has 6 divisors (see below), whose sum is σ = 3643210350. Its totient is φ = 1681481688.

The previous prime is 2522222537. The next prime is 2522222551. The reversal of 2522222541 is 1452222252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2047200516 + 475022025 = 45246^2 + 21795^2 .

It is not a de Polignac number, because 2522222541 - 2² = 2522222537 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522222551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140123466 + ... + 140123483.

It is an arithmetic number, because the mean of its divisors is an integer number (607201725).

Almost surely, 2^2522222541 is an apocalyptic number.

It is an amenable number.

2522222541 is a deficient number, since it is larger than the sum of its proper divisors (1120987809).

2522222541 is a wasteful number, since it uses less digits than its factorization.

2522222541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280246955 (or 280246952 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 2522222541 is about 50221.7337514347. The cubic root of 2522222541 is about 1361.2183684312.

Adding to 2522222541 its reverse (1452222252), we get a palindrome (3974444793).

The spelling of 2522222541 in words is "two billion, five hundred twenty-two million, two hundred twenty-two thousand, five hundred forty-one".