222200234440 has 32 divisors (see below), whose sum is σ = 500260623480. Its totient is φ = 88824965632.

The previous prime is 222200234419. The next prime is 222200234441. The reversal of 222200234440 is 44432002222.

It can be written as a sum of positive squares in 4 ways, for example, as 130030917604 + 92169316836 = 360598^2 + 303594^2 .

It is a super-2 number, since 2×222200234440² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222200234441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657429 + ... + 1786468.

Almost surely, 2^222200234440 is an apocalyptic number.

222200234440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200234440 is an abundant number, since it is smaller than the sum of its proper divisors (278060389040).

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

222200234440 is a wasteful number, since it uses less digits than its factorization.

222200234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445521 (or 3445517 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 222200234440 its reverse (44432002222), we get a palindrome (266632236662).

The spelling of 222200234440 in words is "two hundred twenty-two billion, two hundred million, two hundred thirty-four thousand, four hundred forty".