2621440122 has 24 divisors (see below), whose sum is σ = 6098861376. Its totient is φ = 748982808.

The previous prime is 2621440117. The next prime is 2621440141. The reversal of 2621440122 is 2210441262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2621440092 and 2621440101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4457938 + ... + 4458525.

It is an arithmetic number, because the mean of its divisors is an integer number (254119224).

Almost surely, 2^2621440122 is an apocalyptic number.

2621440122 is an abundant number, since it is smaller than the sum of its proper divisors (3477421254).

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

2621440122 is a wasteful number, since it uses less digits than its factorization.

2621440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8916482 (or 8916475 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2621440122 is about 51200.0011914062. The cubic root of 2621440122 is about 1378.8382230105.

Adding to 2621440122 its reverse (2210441262), we get a palindrome (4831881384).

The spelling of 2621440122 in words is "two billion, six hundred twenty-one million, four hundred forty thousand, one hundred twenty-two".