2129622 has 32 divisors (see below), whose sum is σ = 4765824. Its totient is φ = 628800.

The previous prime is 2129599. The next prime is 2129627. The reversal of 2129622 is 2269212.

It is a junction number, because it is equal to n+sod(n) for n = 2129592 and 2129601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313 + ... + 3099.

It is an arithmetic number, because the mean of its divisors is an integer number (148932).

2^2129622 is an apocalyptic number.

2129622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2382912).

2129622 is an abundant number, since it is smaller than the sum of its proper divisors (2636202).

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

2129622 is a wasteful number, since it uses less digits than its factorization.

2129622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its digits is 864, while the sum is 24.

The square root of 2129622 is about 1459.3224455205. The cubic root of 2129622 is about 128.6572235128.

The spelling of 2129622 in words is "two million, one hundred twenty-nine thousand, six hundred twenty-two".