2540346022 has 4 divisors (see below), whose sum is σ = 3810519036. Its totient is φ = 1270173010.

The previous prime is 2540346007. The next prime is 2540346047. The reversal of 2540346022 is 2206430452.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2540346022² = 12906715822982448968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 635086504 + ... + 635086507.

It is an arithmetic number, because the mean of its divisors is an integer number (952629759).

Almost surely, 2^2540346022 is an apocalyptic number.

2540346022 is a deficient number, since it is larger than the sum of its proper divisors (1270173014).

2540346022 is a wasteful number, since it uses less digits than its factorization.

2540346022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270173013.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2540346022 is about 50401.8454225636. The cubic root of 2540346022 is about 1364.4709443676.

Adding to 2540346022 its reverse (2206430452), we get a palindrome (4746776474).

The spelling of 2540346022 in words is "two billion, five hundred forty million, three hundred forty-six thousand, twenty-two".