220406626 has 16 divisors (see below), whose sum is σ = 361950048. Its totient is φ = 99828000.

The previous prime is 220406623. The next prime is 220406639. The reversal of 220406626 is 626604022.

It is a junction number, because it is equal to n+sod(n) for n = 220406594 and 220406603.

It is not an unprimeable number, because it can be changed into a prime (220406623) 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, 11475 + ... + 23926.

It is an arithmetic number, because the mean of its divisors is an integer number (22621878).

Almost surely, 2^220406626 is an apocalyptic number.

220406626 is a deficient number, since it is larger than the sum of its proper divisors (141543422).

220406626 is a wasteful number, since it uses less digits than its factorization.

220406626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35697.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 220406626 is about 14846.0980058735. The cubic root of 220406626 is about 604.0527726795.

The spelling of 220406626 in words is "two hundred twenty million, four hundred six thousand, six hundred twenty-six".