146222678 has 32 divisors (see below), whose sum is σ = 267810624. Its totient is φ = 58447872.

The previous prime is 146222663. The next prime is 146222711. The reversal of 146222678 is 876222641.

146222678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×146222678² = 42762143122983368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24176 + ... + 29612.

It is an arithmetic number, because the mean of its divisors is an integer number (8369082).

Almost surely, 2^146222678 is an apocalyptic number.

146222678 is a deficient number, since it is larger than the sum of its proper divisors (121587946).

146222678 is a wasteful number, since it uses less digits than its factorization.

146222678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576.

The product of its digits is 64512, while the sum is 38.

The square root of 146222678 is about 12092.2569440117. The cubic root of 146222678 is about 526.8313103968.

The spelling of 146222678 in words is "one hundred forty-six million, two hundred twenty-two thousand, six hundred seventy-eight".