222022340 has 24 divisors (see below), whose sum is σ = 467644632. Its totient is φ = 88542720.

The previous prime is 222022331. The next prime is 222022343. The reversal of 222022340 is 43220222.

It can be written as a sum of positive squares in 4 ways, for example, as 38365636 + 183656704 = 6194^2 + 13552^2 .

It is not an unprimeable number, because it can be changed into a prime (222022343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9731 + ... + 23210.

It is an arithmetic number, because the mean of its divisors is an integer number (19485193).

Almost surely, 2^222022340 is an apocalyptic number.

222022340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022340 is an abundant number, since it is smaller than the sum of its proper divisors (245622292).

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

222022340 is a wasteful number, since it uses less digits than its factorization.

222022340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33287 (or 33285 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222022340 is about 14900.4140882057. The cubic root of 222022340 is about 605.5252047497.

Adding to 222022340 its reverse (43220222), we get a palindrome (265242562).

It can be divided in two parts, 22202 and 2340, that added together give a palindrome (24542).

The spelling of 222022340 in words is "two hundred twenty-two million, twenty-two thousand, three hundred forty".