2422142646 has 64 divisors (see below), whose sum is σ = 6065819136. Its totient is φ = 626400000.

The previous prime is 2422142587. The next prime is 2422142647. The reversal of 2422142646 is 6462412242.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422142647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96396 + ... + 118896.

It is an arithmetic number, because the mean of its divisors is an integer number (94778424).

Almost surely, 2^2422142646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2422142646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3032909568).

2422142646 is an abundant number, since it is smaller than the sum of its proper divisors (3643676490).

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

2422142646 is a wasteful number, since it uses less digits than its factorization.

2422142646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22757.

The product of its digits is 36864, while the sum is 33.

The square root of 2422142646 is about 49215.2684235289. The cubic root of 2422142646 is about 1342.9708065088.

Adding to 2422142646 its reverse (6462412242), we get a palindrome (8884554888).

The spelling of 2422142646 in words is "two billion, four hundred twenty-two million, one hundred forty-two thousand, six hundred forty-six".