222245454 has 16 divisors (see below), whose sum is σ = 470637648. Its totient is φ = 69724032.

The previous prime is 222245449. The next prime is 222245459. The reversal of 222245454 is 454542222.

It is an interprime number because it is at equal distance from previous prime (222245449) and next prime (222245459).

It is a super-2 number, since 2×222245454² = 98786083647332232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222245459) 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, 1089337 + ... + 1089540.

It is an arithmetic number, because the mean of its divisors is an integer number (29414853).

Almost surely, 2^222245454 is an apocalyptic number.

222245454 is an abundant number, since it is smaller than the sum of its proper divisors (248392194).

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

222245454 is a wasteful number, since it uses less digits than its factorization.

222245454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178899.

The product of its digits is 25600, while the sum is 30.

The square root of 222245454 is about 14907.8990471495. The cubic root of 222245454 is about 605.7279710128.

Adding to 222245454 its reverse (454542222), we get a palindrome (676787676).

The spelling of 222245454 in words is "two hundred twenty-two million, two hundred forty-five thousand, four hundred fifty-four".