222226545 has 16 divisors (see below), whose sum is σ = 355747392. Its totient is φ = 118459200.

The previous prime is 222226541. The next prime is 222226547. The reversal of 222226545 is 545622222.

It is not a de Polignac number, because 222226545 - 2² = 222226541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222226541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53514 + ... + 57516.

It is an arithmetic number, because the mean of its divisors is an integer number (22234212).

Almost surely, 2^222226545 is an apocalyptic number.

It is an amenable number.

222226545 is a deficient number, since it is larger than the sum of its proper divisors (133520847).

222226545 is a wasteful number, since it uses less digits than its factorization.

222226545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712.

The product of its digits is 19200, while the sum is 30.

The square root of 222226545 is about 14907.2648396679. The cubic root of 222226545 is about 605.7107917562.

Adding to 222226545 its reverse (545622222), we get a palindrome (767848767).

The spelling of 222226545 in words is "two hundred twenty-two million, two hundred twenty-six thousand, five hundred forty-five".