71222254 has 16 divisors (see below), whose sum is σ = 107832816. Its totient is φ = 35280000.

The previous prime is 71222243. The next prime is 71222269. The reversal of 71222254 is 45222217.

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, 168964 + ... + 169384.

It is an arithmetic number, because the mean of its divisors is an integer number (6739551).

Almost surely, 2^71222254 is an apocalyptic number.

71222254 is a deficient number, since it is larger than the sum of its proper divisors (36610562).

71222254 is a wasteful number, since it uses less digits than its factorization.

71222254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 2240, while the sum is 25.

The square root of 71222254 is about 8439.3278168347. The cubic root of 71222254 is about 414.5133968566.

The spelling of 71222254 in words is "seventy-one million, two hundred twenty-two thousand, two hundred fifty-four".