146744222 has 8 divisors (see below), whose sum is σ = 220195416. Its totient is φ = 73345752.

The previous prime is 146744197. The next prime is 146744233. The reversal of 146744222 is 222447641.

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

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, 5273 + ... + 17924.

It is an arithmetic number, because the mean of its divisors is an integer number (27524427).

Almost surely, 2^146744222 is an apocalyptic number.

146744222 is a deficient number, since it is larger than the sum of its proper divisors (73451194).

146744222 is a wasteful number, since it uses less digits than its factorization.

146744222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26362.

The product of its digits is 21504, while the sum is 32.

The square root of 146744222 is about 12113.8029536558. The cubic root of 146744222 is about 527.4569308142.

The spelling of 146744222 in words is "one hundred forty-six million, seven hundred forty-four thousand, two hundred twenty-two".