128274022 has 8 divisors (see below), whose sum is σ = 192526056. Its totient is φ = 64098672.

The previous prime is 128274019. The next prime is 128274023. The reversal of 128274022 is 220472821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128274023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14788 + ... + 21799.

It is an arithmetic number, because the mean of its divisors is an integer number (24065757).

Almost surely, 2^128274022 is an apocalyptic number.

128274022 is a deficient number, since it is larger than the sum of its proper divisors (64252034).

128274022 is a wasteful number, since it uses less digits than its factorization.

128274022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38342.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 128274022 is about 11325.8122004561. The cubic root of 128274022 is about 504.3277949697.

The spelling of 128274022 in words is "one hundred twenty-eight million, two hundred seventy-four thousand, twenty-two".