2622246442 has 4 divisors (see below), whose sum is σ = 3933369666. Its totient is φ = 1311123220.

The previous prime is 2622246437. The next prime is 2622246559. The reversal of 2622246442 is 2446422262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2446422262 = 2 ⋅1223211131.

It can be written as a sum of positive squares in only one way, i.e., 2572416961 + 49829481 = 50719^2 + 7059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2622246398 and 2622246407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655561609 + ... + 655561612.

Almost surely, 2^2622246442 is an apocalyptic number.

2622246442 is a deficient number, since it is larger than the sum of its proper divisors (1311123224).

2622246442 is a wasteful number, since it uses less digits than its factorization.

2622246442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311123223.

The product of its digits is 73728, while the sum is 34.

The square root of 2622246442 is about 51207.8748045650. The cubic root of 2622246442 is about 1378.9795792642.

The spelling of 2622246442 in words is "two billion, six hundred twenty-two million, two hundred forty-six thousand, four hundred forty-two".