19222224 has 80 divisors (see below), whose sum is σ = 59758080. Its totient is φ = 5201280.

The previous prime is 19222211. The next prime is 19222249. The reversal of 19222224 is 42222291.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 19222194 and 19222203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4879 + ... + 7889.

It is an arithmetic number, because the mean of its divisors is an integer number (746976).

Almost surely, 2^19222224 is an apocalyptic number.

19222224 is a gapful number since it is divisible by the number (14) 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 19222224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29879040).

19222224 is an abundant number, since it is smaller than the sum of its proper divisors (40535856).

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

19222224 is a wasteful number, since it uses less digits than its factorization.

19222224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3042 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 19222224 is about 4384.3156820649. The cubic root of 19222224 is about 267.8764560144.

The spelling of 19222224 in words is "nineteen million, two hundred twenty-two thousand, two hundred twenty-four".