422146734 has 16 divisors (see below), whose sum is σ = 844503888. Its totient is φ = 140680512.

The previous prime is 422146729. The next prime is 422146763. The reversal of 422146734 is 437641224.

It is a junction number, because it is equal to n+sod(n) for n = 422146695 and 422146704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31644 + ... + 42960.

It is an arithmetic number, because the mean of its divisors is an integer number (52781493).

Almost surely, 2^422146734 is an apocalyptic number.

422146734 is an abundant number, since it is smaller than the sum of its proper divisors (422357154).

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

422146734 is a wasteful number, since it uses less digits than its factorization.

422146734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17539.

The product of its digits is 32256, while the sum is 33.

The square root of 422146734 is about 20546.2097234502. The cubic root of 422146734 is about 750.1609929948.

Adding to 422146734 its reverse (437641224), we get a palindrome (859787958).

The spelling of 422146734 in words is "four hundred twenty-two million, one hundred forty-six thousand, seven hundred thirty-four".