222420462 has 32 divisors (see below), whose sum is σ = 486082944. Its totient is φ = 67288800.

The previous prime is 222420439. The next prime is 222420463. The reversal of 222420462 is 264024222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222420463) 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 15 ways as a sum of consecutive naturals, for example, 43168 + ... + 48044.

It is an arithmetic number, because the mean of its divisors is an integer number (15190092).

Almost surely, 2^222420462 is an apocalyptic number.

222420462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222420462 is an abundant number, since it is smaller than the sum of its proper divisors (263662482).

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

222420462 is a wasteful number, since it uses less digits than its factorization.

222420462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 222420462 is about 14913.7675320490. The cubic root of 222420462 is about 605.8869235369.

Adding to 222420462 its reverse (264024222), we get a palindrome (486444684).

The spelling of 222420462 in words is "two hundred twenty-two million, four hundred twenty thousand, four hundred sixty-two".