2142744622 has 8 divisors (see below), whose sum is σ = 3220664472. Its totient is φ = 1069189800.

The previous prime is 2142744619. The next prime is 2142744623. The reversal of 2142744622 is 2264472412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142744623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090029 + ... + 1091992.

It is an arithmetic number, because the mean of its divisors is an integer number (402583059).

Almost surely, 2^2142744622 is an apocalyptic number.

2142744622 is a deficient number, since it is larger than the sum of its proper divisors (1077919850).

2142744622 is a wasteful number, since it uses less digits than its factorization.

2142744622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182514.

The product of its digits is 43008, while the sum is 34.

The square root of 2142744622 is about 46289.7896085087. The cubic root of 2142744622 is about 1289.2094232517.

It can be divided in two parts, 21427 and 44622, that added together give a square (66049 = 257²).

The spelling of 2142744622 in words is "two billion, one hundred forty-two million, seven hundred forty-four thousand, six hundred twenty-two".