226709142 has 32 divisors (see below), whose sum is σ = 495694080. Its totient is φ = 68553120.

The previous prime is 226709141. The next prime is 226709149. The reversal of 226709142 is 241907622.

226709142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226709141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29784 + ... + 36612.

It is an arithmetic number, because the mean of its divisors is an integer number (15490440).

Almost surely, 2^226709142 is an apocalyptic number.

226709142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

226709142 is an abundant number, since it is smaller than the sum of its proper divisors (268984938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226709142 is a wasteful number, since it uses less digits than its factorization.

226709142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 226709142 is about 15056.8636176330. The cubic root of 226709142 is about 609.7563678149.

The spelling of 226709142 in words is "two hundred twenty-six million, seven hundred nine thousand, one hundred forty-two".