918146422 has 4 divisors (see below), whose sum is σ = 1377219636. Its totient is φ = 459073210.

The previous prime is 918146393. The next prime is 918146423. The reversal of 918146422 is 224641819.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224641819 = 613 ⋅366463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918146423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229536604 + ... + 229536607.

It is an arithmetic number, because the mean of its divisors is an integer number (344304909).

Almost surely, 2^918146422 is an apocalyptic number.

918146422 is a deficient number, since it is larger than the sum of its proper divisors (459073214).

918146422 is a wasteful number, since it uses less digits than its factorization.

918146422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459073213.

The product of its digits is 27648, while the sum is 37.

The square root of 918146422 is about 30300.9310418013. The cubic root of 918146422 is about 971.9352097974.

The spelling of 918146422 in words is "nine hundred eighteen million, one hundred forty-six thousand, four hundred twenty-two".