22219120 has 80 divisors (see below), whose sum is σ = 64424448. Its totient is φ = 6923520.

The previous prime is 22219103. The next prime is 22219121. The reversal of 22219120 is 2191222.

22219120 = T₄₉ + T₅₀ + ... + T₅₁₀.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22219121) 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, 4357 + ... + 7963.

Almost surely, 2^22219120 is an apocalyptic number.

22219120 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 22219120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32212224).

22219120 is an abundant number, since it is smaller than the sum of its proper divisors (42205328).

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

22219120 is a wasteful number, since it uses less digits than its factorization.

22219120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 22219120 is about 4713.7161560705. The cubic root of 22219120 is about 281.1311385806.

It can be divided in two parts, 2 and 2219120, that added together give a palindrome (2219122).

The spelling of 22219120 in words is "twenty-two million, two hundred nineteen thousand, one hundred twenty".