147231022 has 4 divisors (see below), whose sum is σ = 220846536. Its totient is φ = 73615510.

The previous prime is 147231017. The next prime is 147231043. The reversal of 147231022 is 220132741.

147231022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220132741 = 73 ⋅3015517.

It is a junction number, because it is equal to n+sod(n) for n = 147230984 and 147231002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36807754 + ... + 36807757.

It is an arithmetic number, because the mean of its divisors is an integer number (55211634).

Almost surely, 2^147231022 is an apocalyptic number.

147231022 is a deficient number, since it is larger than the sum of its proper divisors (73615514).

147231022 is an equidigital number, since it uses as much as digits as its factorization.

147231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73615513.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 147231022 is about 12133.8790994471. The cubic root of 147231022 is about 528.0395378068.

Adding to 147231022 its reverse (220132741), we get a palindrome (367363763).

The spelling of 147231022 in words is "one hundred forty-seven million, two hundred thirty-one thousand, twenty-two".