222025040 has 20 divisors (see below), whose sum is σ = 516208404. Its totient is φ = 88809984.

The previous prime is 222025033. The next prime is 222025057. The reversal of 222025040 is 40520222.

It can be written as a sum of positive squares in 2 ways, for example, as 59105344 + 162919696 = 7688^2 + 12764^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 1387577 + ... + 1387736.

Almost surely, 2^222025040 is an apocalyptic number.

222025040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222025040 is an abundant number, since it is smaller than the sum of its proper divisors (294183364).

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

222025040 is a wasteful number, since it uses less digits than its factorization.

222025040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775326 (or 2775320 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 222025040 is about 14900.5046894392. The cubic root of 222025040 is about 605.5276593246.

Adding to 222025040 its reverse (40520222), we get a palindrome (262545262).

The spelling of 222025040 in words is "two hundred twenty-two million, twenty-five thousand, forty".