620542226 has 8 divisors (see below), whose sum is σ = 931837824. Its totient is φ = 309929620.

The previous prime is 620542217. The next prime is 620542249. The reversal of 620542226 is 622245026.

It is a happy number.

620542226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168470 + ... + 172113.

It is an arithmetic number, because the mean of its divisors is an integer number (116479728).

Almost surely, 2^620542226 is an apocalyptic number.

620542226 is a deficient number, since it is larger than the sum of its proper divisors (311295598).

620542226 is a wasteful number, since it uses less digits than its factorization.

620542226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341496.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 620542226 is about 24910.6849765317. The cubic root of 620542226 is about 852.9504050050.

The spelling of 620542226 in words is "six hundred twenty million, five hundred forty-two thousand, two hundred twenty-six".