22069830 has 64 divisors (see below), whose sum is σ = 57600000. Its totient is φ = 5391360.

The previous prime is 22069829. The next prime is 22069843. The reversal of 22069830 is 3896022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17046 + ... + 18294.

It is an arithmetic number, because the mean of its divisors is an integer number (900000).

Almost surely, 2^22069830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22069830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28800000).

22069830 is an abundant number, since it is smaller than the sum of its proper divisors (35530170).

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

22069830 is a wasteful number, since it uses less digits than its factorization.

22069830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22069830 is about 4697.8537652847. The cubic root of 22069830 is about 280.5000842015.

The spelling of 22069830 in words is "twenty-two million, sixty-nine thousand, eight hundred thirty".