220222426 has 32 divisors (see below), whose sum is σ = 353707200. Its totient is φ = 102539520.

The previous prime is 220222417. The next prime is 220222451. The reversal of 220222426 is 624222022.

It is a junction number, because it is equal to n+sod(n) for n = 220222397 and 220222406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913666 + ... + 913906.

It is an arithmetic number, because the mean of its divisors is an integer number (11053350).

Almost surely, 2^220222426 is an apocalyptic number.

220222426 is a deficient number, since it is larger than the sum of its proper divisors (133484774).

220222426 is a wasteful number, since it uses less digits than its factorization.

220222426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 220222426 is about 14839.8930589139. The cubic root of 220222426 is about 603.8844511649.

Adding to 220222426 its reverse (624222022), we get a palindrome (844444448).

The spelling of 220222426 in words is "two hundred twenty million, two hundred twenty-two thousand, four hundred twenty-six".