2422500642 has 64 divisors (see below), whose sum is σ = 5640192000. Its totient is φ = 769752720.

The previous prime is 2422500637. The next prime is 2422500683. The reversal of 2422500642 is 2460052242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101359 + ... + 122957.

It is an arithmetic number, because the mean of its divisors is an integer number (88128000).

Almost surely, 2^2422500642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2422500642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2820096000).

2422500642 is an abundant number, since it is smaller than the sum of its proper divisors (3217691358).

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

2422500642 is a wasteful number, since it uses less digits than its factorization.

2422500642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21708 (or 21702 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2422500642 is about 49218.9053311835. The cubic root of 2422500642 is about 1343.0369675574.

Adding to 2422500642 its reverse (2460052242), we get a palindrome (4882552884).

The spelling of 2422500642 in words is "two billion, four hundred twenty-two million, five hundred thousand, six hundred forty-two".