222419028 has 48 divisors (see below), whose sum is σ = 566584256. Its totient is φ = 67495680.

The previous prime is 222419023. The next prime is 222419033. The reversal of 222419028 is 820914222.

It is an interprime number because it is at equal distance from previous prime (222419023) and next prime (222419033).

It is a junction number, because it is equal to n+sod(n) for n = 222418986 and 222419004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222419023) 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, 1623 + ... + 21153.

Almost surely, 2^222419028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222419028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283292128).

222419028 is an abundant number, since it is smaller than the sum of its proper divisors (344165228).

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

222419028 is a wasteful number, since it uses less digits than its factorization.

222419028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19624 (or 19622 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 222419028 is about 14913.7194555885. The cubic root of 222419028 is about 605.8856214329.

The spelling of 222419028 in words is "two hundred twenty-two million, four hundred nineteen thousand, twenty-eight".