22369620 has 192 divisors, whose sum is σ = 81962496. Its totient is φ = 4423680.

The previous prime is 22369601. The next prime is 22369661. The reversal of 22369620 is 2696322.

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

It is a nialpdrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92700 + ... + 92940.

It is an arithmetic number, because the mean of its divisors is an integer number (426888).

Almost surely, 2^22369620 is an apocalyptic number.

22369620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22369620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40981248).

22369620 is an abundant number, since it is smaller than the sum of its proper divisors (59592876).

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

22369620 is a wasteful number, since it uses less digits than its factorization.

22369620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 22369620 is about 4729.6532642468. The cubic root of 22369620 is about 281.7644529742.

The spelling of 22369620 in words is "twenty-two million, three hundred sixty-nine thousand, six hundred twenty".