146731022 has 8 divisors (see below), whose sum is σ = 223111776. Its totient is φ = 72360432.

The previous prime is 146731001. The next prime is 146731031. The reversal of 146731022 is 220137641.

146731022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 146730982 and 146731000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502358 + ... + 502649.

It is an arithmetic number, because the mean of its divisors is an integer number (27888972).

Almost surely, 2^146731022 is an apocalyptic number.

146731022 is a deficient number, since it is larger than the sum of its proper divisors (76380754).

146731022 is a wasteful number, since it uses less digits than its factorization.

146731022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005082.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 146731022 is about 12113.2581083703. The cubic root of 146731022 is about 527.4411149950.

Adding to 146731022 its reverse (220137641), we get a palindrome (366868663).

The spelling of 146731022 in words is "one hundred forty-six million, seven hundred thirty-one thousand, twenty-two".