1622772324 has 18 divisors (see below), whose sum is σ = 4102007910. Its totient is φ = 540924096.

The previous prime is 1622772301. The next prime is 1622772329. The reversal of 1622772324 is 4232772261.

It is a happy number.

1622772324 is a `hidden beast` number, since 1 + 62 + 277 + 2 + 324 = 666.

It can be written as a sum of positive squares in only one way, i.e., 973440000 + 649332324 = 31200^2 + 25482^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 45077009 = 1622772324 / (1 + 6 + 2 + 2 + 7 + 7 + 2 + 3 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (1622772329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22538469 + ... + 22538540.

Almost surely, 2^1622772324 is an apocalyptic number.

It is an amenable number.

1622772324 is an abundant number, since it is smaller than the sum of its proper divisors (2479235586).

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

1622772324 is a wasteful number, since it uses less digits than its factorization.

1622772324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45077019 (or 45077014 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 1622772324 is about 40283.6483452033. The cubic root of 1622772324 is about 1175.1298661954.

The spelling of 1622772324 in words is "one billion, six hundred twenty-two million, seven hundred seventy-two thousand, three hundred twenty-four".