220024442 has 16 divisors (see below), whose sum is σ = 360914400. Its totient is φ = 99768240.

The previous prime is 220024433. The next prime is 220024471. The reversal of 220024442 is 244420022.

It is a super-2 number, since 2×220024442² = 96821510154822728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2717 + ... + 21152.

It is an arithmetic number, because the mean of its divisors is an integer number (22557150).

Almost surely, 2^220024442 is an apocalyptic number.

220024442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220024442 is a deficient number, since it is larger than the sum of its proper divisors (140889958).

220024442 is a wasteful number, since it uses less digits than its factorization.

220024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24301.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 220024442 is about 14833.2208909596. The cubic root of 220024442 is about 603.7034291743.

Adding to 220024442 its reverse (244420022), we get a palindrome (464444464).

The spelling of 220024442 in words is "two hundred twenty million, twenty-four thousand, four hundred forty-two".