72241022 has 16 divisors (see below), whose sum is σ = 129226752. Its totient is φ = 29614200.

The previous prime is 72241003. The next prime is 72241031. The reversal of 72241022 is 22014227.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72240985 and 72241003.

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, 111854 + ... + 112497.

It is an arithmetic number, because the mean of its divisors is an integer number (8076672).

Almost surely, 2^72241022 is an apocalyptic number.

72241022 is a deficient number, since it is larger than the sum of its proper divisors (56985730).

72241022 is a wasteful number, since it uses less digits than its factorization.

72241022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224383.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 72241022 is about 8499.4718659456. The cubic root of 72241022 is about 416.4804568123.

Adding to 72241022 its reverse (22014227), we get a palindrome (94255249).

The spelling of 72241022 in words is "seventy-two million, two hundred forty-one thousand, twenty-two".