2222420 has 12 divisors (see below), whose sum is σ = 4667124. Its totient is φ = 888960.

The previous prime is 2222387. The next prime is 2222443. The reversal of 2222420 is 242222.

It can be written as a sum of positive squares in 2 ways, for example, as 1008016 + 1214404 = 1004^2 + 1102^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2222395 and 2222404.

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, 55541 + ... + 55580.

It is an arithmetic number, because the mean of its divisors is an integer number (388927).

2^2222420 is an apocalyptic number.

2222420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222420 is an abundant number, since it is smaller than the sum of its proper divisors (2444704).

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

2222420 is a wasteful number, since it uses less digits than its factorization.

2222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111130 (or 111128 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2222420 is about 1490.7783202073. The cubic root of 2222420 is about 130.4994592932.

Adding to 2222420 its reverse (242222), we get a palindrome (2464642).

The spelling of 2222420 in words is "two million, two hundred twenty-two thousand, four hundred twenty".