226071645 has 16 divisors (see below), whose sum is σ = 369411840. Its totient is φ = 118005824.

The previous prime is 226071641. The next prime is 226071649. The reversal of 226071645 is 546170622.

It is an interprime number because it is at equal distance from previous prime (226071641) and next prime (226071649).

It is a cyclic number.

It is not a de Polignac number, because 226071645 - 2² = 226071641 is a prime.

It is a super-2 number, since 2×226071645² = 102216777346012050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226071641) 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, 159630 + ... + 161039.

It is an arithmetic number, because the mean of its divisors is an integer number (23088240).

Almost surely, 2^226071645 is an apocalyptic number.

It is an amenable number.

226071645 is a deficient number, since it is larger than the sum of its proper divisors (143340195).

226071645 is a wasteful number, since it uses less digits than its factorization.

226071645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320724.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 226071645 is about 15035.6790668064. The cubic root of 226071645 is about 609.1842944599.

The spelling of 226071645 in words is "two hundred twenty-six million, seventy-one thousand, six hundred forty-five".