146666622 has 16 divisors (see below), whose sum is σ = 293529600. Its totient is φ = 48856152.

The previous prime is 146666621. The next prime is 146666623. The reversal of 146666622 is 226666641.

146666622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (146666621) and next prime (146666623).

It is a super-2 number, since 2×146666622² = 43022196017781768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146666621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (18345600).

Almost surely, 2^146666622 is an apocalyptic number.

146666622 is an abundant number, since it is smaller than the sum of its proper divisors (146862978).

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

146666622 is a wasteful number, since it uses less digits than its factorization.

146666622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16367.

The product of its digits is 124416, while the sum is 39.

The square root of 146666622 is about 12110.5995722755. The cubic root of 146666622 is about 527.3639393622.

The spelling of 146666622 in words is "one hundred forty-six million, six hundred sixty-six thousand, six hundred twenty-two".