226737820418 has 6 divisors (see below), whose sum is σ = 340107740739. Its totient is φ = 113368573506.

The previous prime is 226737820411. The next prime is 226737820453. The reversal of 226737820418 is 814028737622.

It can be written as a sum of positive squares in only one way, i.e., 113368910209 + 113368910209 = 336703^2 + 336703^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=336703.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226737820411) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 505055 + ... + 841757.

Almost surely, 2^226737820418 is an apocalyptic number.

226737820418 is a deficient number, since it is larger than the sum of its proper divisors (113369920321).

226737820418 is an frugal number, since it uses more digits than its factorization.

226737820418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673408 (or 336705 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

Multiplying 226737820418 by its sum of digits (50), we get a square (11336891020900 = 3367030²).

The spelling of 226737820418 in words is "two hundred twenty-six billion, seven hundred thirty-seven million, eight hundred twenty thousand, four hundred eighteen".