1622267240 has 32 divisors (see below), whose sum is σ = 3981929760. Its totient is φ = 589915200.

The previous prime is 1622267239. The next prime is 1622267263. The reversal of 1622267240 is 427622261.

It is a junction number, because it is equal to n+sod(n) for n = 1622267197 and 1622267206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843046 + ... + 1843925.

It is an arithmetic number, because the mean of its divisors is an integer number (124435305).

Almost surely, 2^1622267240 is an apocalyptic number.

1622267240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1622267240 is an abundant number, since it is smaller than the sum of its proper divisors (2359662520).

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

1622267240 is a wasteful number, since it uses less digits than its factorization.

1622267240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686993 (or 3686989 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1622267240 is about 40277.3787627745. The cubic root of 1622267240 is about 1175.0079347585.

It can be divided in two parts, 1622 and 267240, that added together give a palindrome (268862).

The spelling of 1622267240 in words is "one billion, six hundred twenty-two million, two hundred sixty-seven thousand, two hundred forty".