222425016 has 32 divisors (see below), whose sum is σ = 606614400. Its totient is φ = 67401440.

The previous prime is 222425011. The next prime is 222425083. The reversal of 222425016 is 610524222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222425011) 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, 420996 + ... + 421523.

It is an arithmetic number, because the mean of its divisors is an integer number (18956700).

Almost surely, 2^222425016 is an apocalyptic number.

It is an amenable number.

222425016 is an abundant number, since it is smaller than the sum of its proper divisors (384189384).

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

222425016 is a wasteful number, since it uses less digits than its factorization.

222425016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842539 (or 842535 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 222425016 is about 14913.9202089860. The cubic root of 222425016 is about 605.8910586334.

Adding to 222425016 its reverse (610524222), we get a palindrome (832949238).

The spelling of 222425016 in words is "two hundred twenty-two million, four hundred twenty-five thousand, sixteen".