620225146 has 16 divisors (see below), whose sum is σ = 965032200. Its totient is φ = 298605888.

The previous prime is 620225131. The next prime is 620225149. The reversal of 620225146 is 641522026.

It can be written as a sum of positive squares in 4 ways, for example, as 597558025 + 22667121 = 24445^2 + 4761^2 .

It is not an unprimeable number, because it can be changed into a prime (620225149) 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, 7300 + ... + 35968.

Almost surely, 2^620225146 is an apocalyptic number.

620225146 is a deficient number, since it is larger than the sum of its proper divisors (344807054).

620225146 is a wasteful number, since it uses less digits than its factorization.

620225146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29073.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 620225146 is about 24904.3198260864. The cubic root of 620225146 is about 852.8051021924.

The spelling of 620225146 in words is "six hundred twenty million, two hundred twenty-five thousand, one hundred forty-six".