2123622 has 12 divisors (see below), whose sum is σ = 4601220. Its totient is φ = 707868.

The previous prime is 2123617. The next prime is 2123663. The reversal of 2123622 is 2263212.

2123622 is a `hidden beast` number, since 21 + 23 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 117979 = 2123622 / (2 + 1 + 2 + 3 + 6 + 2 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2123595 and 2123604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58972 + ... + 59007.

It is an arithmetic number, because the mean of its divisors is an integer number (383435).

2^2123622 is an apocalyptic number.

2123622 is an abundant number, since it is smaller than the sum of its proper divisors (2477598).

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

2123622 is a wasteful number, since it uses less digits than its factorization.

2123622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117987 (or 117984 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2123622 is about 1457.2652469609. The cubic root of 2123622 is about 128.5362835157.

Adding to 2123622 its reverse (2263212), we get a palindrome (4386834).

The spelling of 2123622 in words is "two million, one hundred twenty-three thousand, six hundred twenty-two".