22220094 has 32 divisors (see below), whose sum is σ = 48301344. Its totient is φ = 6773760.

The previous prime is 22220083. The next prime is 22220113. The reversal of 22220094 is 49002222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7554 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (1509417).

Almost surely, 2^22220094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24150672).

22220094 is an abundant number, since it is smaller than the sum of its proper divisors (26081250).

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

22220094 is a wasteful number, since it uses less digits than its factorization.

22220094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22220094 is about 4713.8194704507. The cubic root of 22220094 is about 281.1352464200.

It can be divided in two parts, 22 and 220094, that added together give a triangular number (220116 = T₆₆₃).

The spelling of 22220094 in words is "twenty-two million, two hundred twenty thousand, ninety-four".