226154531 has 4 divisors (see below), whose sum is σ = 227805432. Its totient is φ = 224503632.

The previous prime is 226154527. The next prime is 226154543. The reversal of 226154531 is 135451622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226154531 - 2² = 226154527 is a prime.

It is a super-2 number, since 2×226154531² = 102291743783659922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226154494 and 226154503.

It is not an unprimeable number, because it can be changed into a prime (226154431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825245 + ... + 825518.

It is an arithmetic number, because the mean of its divisors is an integer number (56951358).

Almost surely, 2^226154531 is an apocalyptic number.

226154531 is a deficient number, since it is larger than the sum of its proper divisors (1650901).

226154531 is a wasteful number, since it uses less digits than its factorization.

226154531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650900.

The product of its digits is 7200, while the sum is 29.

The square root of 226154531 is about 15038.4351247063. The cubic root of 226154531 is about 609.2587349908.

The spelling of 226154531 in words is "two hundred twenty-six million, one hundred fifty-four thousand, five hundred thirty-one".