2142422254 has 32 divisors (see below), whose sum is σ = 3868750080. Its totient is φ = 869242752.

The previous prime is 2142422221. The next prime is 2142422267. The reversal of 2142422254 is 4522242412.

It is a happy number.

It is a super-2 number, since 2×2142422254² = 9179946228868881032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752157 + ... + 754999.

It is an arithmetic number, because the mean of its divisors is an integer number (120898440).

Almost surely, 2^2142422254 is an apocalyptic number.

2142422254 is a deficient number, since it is larger than the sum of its proper divisors (1726327826).

2142422254 is a wasteful number, since it uses less digits than its factorization.

2142422254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704.

The product of its digits is 10240, while the sum is 28.

The square root of 2142422254 is about 46286.3074137482. The cubic root of 2142422254 is about 1289.1447677466.

Adding to 2142422254 its reverse (4522242412), we get a palindrome (6664664666).

The spelling of 2142422254 in words is "two billion, one hundred forty-two million, four hundred twenty-two thousand, two hundred fifty-four".