226985029 has 4 divisors (see below), whose sum is σ = 227976460. Its totient is φ = 225993600.

The previous prime is 226985023. The next prime is 226985081. The reversal of 226985029 is 920589622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136773025 + 90212004 = 11695^2 + 9498^2 .

It is a cyclic number.

It is not a de Polignac number, because 226985029 - 2¹¹ = 226982981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226985023) 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, 495372 + ... + 495829.

It is an arithmetic number, because the mean of its divisors is an integer number (56994115).

Almost surely, 2^226985029 is an apocalyptic number.

It is an amenable number.

226985029 is a deficient number, since it is larger than the sum of its proper divisors (991431).

226985029 is an equidigital number, since it uses as much as digits as its factorization.

226985029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991430.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 226985029 is about 15066.0223350425. The cubic root of 226985029 is about 610.0036092235.

The spelling of 226985029 in words is "two hundred twenty-six million, nine hundred eighty-five thousand, twenty-nine".