72214022 has 8 divisors (see below), whose sum is σ = 114022200. Its totient is φ = 34206624.

The previous prime is 72214019. The next prime is 72214039. The reversal of 72214022 is 22041227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

72214022 is a modest number, since divided by 14022 gives 722 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 72213985 and 72214003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950147 + ... + 950222.

It is an arithmetic number, because the mean of its divisors is an integer number (14252775).

Almost surely, 2^72214022 is an apocalyptic number.

72214022 is a deficient number, since it is larger than the sum of its proper divisors (41808178).

72214022 is a wasteful number, since it uses less digits than its factorization.

72214022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900390.

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

The square root of 72214022 is about 8497.8833835256. The cubic root of 72214022 is about 416.4285639808.

Adding to 72214022 its reverse (22041227), we get a palindrome (94255249).

The spelling of 72214022 in words is "seventy-two million, two hundred fourteen thousand, twenty-two".