220623466 has 16 divisors (see below), whose sum is σ = 390412800. Its totient is φ = 91502640.

The previous prime is 220623463. The next prime is 220623517. The reversal of 220623466 is 664326022.

220623466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (220623461) 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, 253741 + ... + 254608.

It is an arithmetic number, because the mean of its divisors is an integer number (24400800).

Almost surely, 2^220623466 is an apocalyptic number.

220623466 is a deficient number, since it is larger than the sum of its proper divisors (169789334).

220623466 is a wasteful number, since it uses less digits than its factorization.

220623466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508389.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 220623466 is about 14853.3991395909. The cubic root of 220623466 is about 604.2508004107.

Adding to 220623466 its reverse (664326022), we get a palindrome (884949488).

The spelling of 220623466 in words is "two hundred twenty million, six hundred twenty-three thousand, four hundred sixty-six".