1622440626 has 16 divisors (see below), whose sum is σ = 3247342464. Its totient is φ = 540403344.

The previous prime is 1622440619. The next prime is 1622440627. The reversal of 1622440626 is 6260442261.

It is not an unprimeable number, because it can be changed into a prime (1622440627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93925 + ... + 109848.

It is an arithmetic number, because the mean of its divisors is an integer number (202958904).

Almost surely, 2^1622440626 is an apocalyptic number.

1622440626 is an abundant number, since it is smaller than the sum of its proper divisors (1624901838).

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

1622440626 is a wasteful number, since it uses less digits than its factorization.

1622440626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205105.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 1622440626 is about 40279.5311045201. The cubic root of 1622440626 is about 1175.0497944191.

Adding to 1622440626 its reverse (6260442261), we get a palindrome (7882882887).

The spelling of 1622440626 in words is "one billion, six hundred twenty-two million, four hundred forty thousand, six hundred twenty-six".