226215711 has 12 divisors (see below), whose sum is σ = 337296960. Its totient is φ = 145945440.

The previous prime is 226215701. The next prime is 226215749. The reversal of 226215711 is 117512622.

226215711 is a `hidden beast` number, since 22 + 621 + 5 + 7 + 11 = 666.

It is not a de Polignac number, because 226215711 - 2¹³ = 226207519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226215701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405126 + ... + 405683.

It is an arithmetic number, because the mean of its divisors is an integer number (28108080).

Almost surely, 2^226215711 is an apocalyptic number.

226215711 is a deficient number, since it is larger than the sum of its proper divisors (111081249).

226215711 is a wasteful number, since it uses less digits than its factorization.

226215711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810846 (or 810843 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 226215711 is about 15040.4691083756. The cubic root of 226215711 is about 609.3136695357.

The spelling of 226215711 in words is "two hundred twenty-six million, two hundred fifteen thousand, seven hundred eleven".