22122030 has 96 divisors (see below), whose sum is σ = 62791200. Its totient is φ = 4972800.

The previous prime is 22122017. The next prime is 22122043. The reversal of 22122030 is 3022122.

It is an interprime number because it is at equal distance from previous prime (22122017) and next prime (22122043).

It is a super-2 number, since 2×22122030² = 978768422641800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22121997 and 22122015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148396 + ... + 148544.

It is an arithmetic number, because the mean of its divisors is an integer number (654075).

Almost surely, 2^22122030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22122030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31395600).

22122030 is an abundant number, since it is smaller than the sum of its proper divisors (40669170).

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

22122030 is a wasteful number, since it uses less digits than its factorization.

22122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22122030 is about 4703.4062125230. The cubic root of 22122030 is about 280.7210581980.

Adding to 22122030 its reverse (3022122), we get a palindrome (25144152).

The spelling of 22122030 in words is "twenty-two million, one hundred twenty-two thousand, thirty".