71492221098 has 24 divisors (see below), whose sum is σ = 154934539968. Its totient is φ = 23825397672.

The previous prime is 71492221091. The next prime is 71492221121. The reversal of 71492221098 is 89012229417.

71492221098 is a `hidden beast` number, since 71 + 492 + 2 + 2 + 1 + 0 + 98 = 666.

It is a super-2 number, since 2×71492221098² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71492221091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362290 + ... + 523677.

It is an arithmetic number, because the mean of its divisors is an integer number (6455605832).

Almost surely, 2^71492221098 is an apocalyptic number.

71492221098 is an abundant number, since it is smaller than the sum of its proper divisors (83442318870).

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

71492221098 is a wasteful number, since it uses less digits than its factorization.

71492221098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890458 (or 890455 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 71492221098 in words is "seventy-one billion, four hundred ninety-two million, two hundred twenty-one thousand, ninety-eight".