72226303 has 4 divisors (see below), whose sum is σ = 73140640. Its totient is φ = 71311968.

The previous prime is 72226291. The next prime is 72226309. The reversal of 72226303 is 30362227.

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

It is a cyclic number.

It is not a de Polignac number, because 72226303 - 2²¹ = 70129151 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 (72226309) 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, 457050 + ... + 457207.

It is an arithmetic number, because the mean of its divisors is an integer number (18285160).

Almost surely, 2^72226303 is an apocalyptic number.

72226303 is a deficient number, since it is larger than the sum of its proper divisors (914337).

72226303 is an equidigital number, since it uses as much as digits as its factorization.

72226303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914336.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 72226303 is about 8498.6059445064. The cubic root of 72226303 is about 416.4521691347.

The spelling of 72226303 in words is "seventy-two million, two hundred twenty-six thousand, three hundred three".