226140749 has 8 divisors (see below), whose sum is σ = 239578560. Its totient is φ = 212718016.

The previous prime is 226140743. The next prime is 226140757. The reversal of 226140749 is 947041622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226140749 is a prime.

It is a super-2 number, since 2×226140749² = 102279276716562002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226140743) 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, 45992 + ... + 50670.

It is an arithmetic number, because the mean of its divisors is an integer number (29947320).

Almost surely, 2^226140749 is an apocalyptic number.

It is an amenable number.

226140749 is a deficient number, since it is larger than the sum of its proper divisors (13437811).

226140749 is a wasteful number, since it uses less digits than its factorization.

226140749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 226140749 is about 15037.9768918562. The cubic root of 226140749 is about 609.2463585353.

The spelling of 226140749 in words is "two hundred twenty-six million, one hundred forty thousand, seven hundred forty-nine".