545772226 has 16 divisors (see below), whose sum is σ = 866088000. Its totient is φ = 257221008.

The previous prime is 545772223. The next prime is 545772229. The reversal of 545772226 is 622277545.

It is an interprime number because it is at equal distance from previous prime (545772223) and next prime (545772229).

It is not an unprimeable number, because it can be changed into a prime (545772223) 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, 28525 + ... + 43648.

It is an arithmetic number, because the mean of its divisors is an integer number (54130500).

Almost surely, 2^545772226 is an apocalyptic number.

545772226 is a deficient number, since it is larger than the sum of its proper divisors (320315774).

545772226 is a wasteful number, since it uses less digits than its factorization.

545772226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72393.

The product of its digits is 235200, while the sum is 40.

The square root of 545772226 is about 23361.7684690179. The cubic root of 545772226 is about 817.2165319439.

The spelling of 545772226 in words is "five hundred forty-five million, seven hundred seventy-two thousand, two hundred twenty-six".