22411420 has 48 divisors (see below), whose sum is σ = 48799296. Its totient is φ = 8640000.

The previous prime is 22411409. The next prime is 22411427. The reversal of 22411420 is 2411422.

It is a junction number, because it is equal to n+sod(n) for n = 22411394 and 22411403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22411427) 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, 123730 + ... + 123910.

It is an arithmetic number, because the mean of its divisors is an integer number (1016652).

Almost surely, 2^22411420 is an apocalyptic number.

22411420 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 22411420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24399648).

22411420 is an abundant number, since it is smaller than the sum of its proper divisors (26387876).

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

22411420 is a wasteful number, since it uses less digits than its factorization.

22411420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 22411420 is about 4734.0701304480. The cubic root of 22411420 is about 281.9398459960.

Adding to 22411420 its reverse (2411422), we get a palindrome (24822842).

The spelling of 22411420 in words is "twenty-two million, four hundred eleven thousand, four hundred twenty".