222503420 has 12 divisors (see below), whose sum is σ = 467257224. Its totient is φ = 89001360.

The previous prime is 222503419. The next prime is 222503443. The reversal of 222503420 is 24305222.

222503420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11125171 = 222503420 / (2 + 2 + 2 + 5 + 0 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 222503392 and 222503401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5562566 + ... + 5562605.

It is an arithmetic number, because the mean of its divisors is an integer number (38938102).

Almost surely, 2^222503420 is an apocalyptic number.

222503420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222503420 is an abundant number, since it is smaller than the sum of its proper divisors (244753804).

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

222503420 is a wasteful number, since it uses less digits than its factorization.

222503420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125180 (or 11125178 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 222503420 is about 14916.5485283962. The cubic root of 222503420 is about 605.9622417266.

Adding to 222503420 its reverse (24305222), we get a palindrome (246808642).

The spelling of 222503420 in words is "two hundred twenty-two million, five hundred three thousand, four hundred twenty".