72214302 has 16 divisors (see below), whose sum is σ = 147154320. Its totient is φ = 23617152.

The previous prime is 72214291. The next prime is 72214327. The reversal of 72214302 is 20341227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113227 + ... + 113862.

It is an arithmetic number, because the mean of its divisors is an integer number (9197145).

Almost surely, 2^72214302 is an apocalyptic number.

72214302 is an abundant number, since it is smaller than the sum of its proper divisors (74940018).

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

72214302 is a wasteful number, since it uses less digits than its factorization.

72214302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227147.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 72214302 is about 8497.8998582003. The cubic root of 72214302 is about 416.4291021950.

Adding to 72214302 its reverse (20341227), we get a palindrome (92555529).

The spelling of 72214302 in words is "seventy-two million, two hundred fourteen thousand, three hundred two".