71222963 has 8 divisors (see below), whose sum is σ = 85681920. Its totient is φ = 57835080.

The previous prime is 71222959. The next prime is 71222969. The reversal of 71222963 is 36922217.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 71222963 - 2² = 71222959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71222969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267623 + ... + 267888.

It is an arithmetic number, because the mean of its divisors is an integer number (10710240).

Almost surely, 2^71222963 is an apocalyptic number.

71222963 is a deficient number, since it is larger than the sum of its proper divisors (14458957).

71222963 is a wasteful number, since it uses less digits than its factorization.

71222963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535537.

The product of its digits is 9072, while the sum is 32.

The square root of 71222963 is about 8439.3698224453. The cubic root of 71222963 is about 414.5147723116.

The spelling of 71222963 in words is "seventy-one million, two hundred twenty-two thousand, nine hundred sixty-three".