64346022 has 64 divisors (see below), whose sum is σ = 156280320. Its totient is φ = 19504800.

The previous prime is 64345949. The next prime is 64346039. The reversal of 64346022 is 22064346.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49197 + ... + 50487.

It is an arithmetic number, because the mean of its divisors is an integer number (2441880).

Almost surely, 2^64346022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64346022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78140160).

64346022 is an abundant number, since it is smaller than the sum of its proper divisors (91934298).

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

64346022 is a wasteful number, since it uses less digits than its factorization.

64346022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 64346022 is about 8021.5972224988. The cubic root of 64346022 is about 400.7195838880.

It can be divided in two parts, 643 and 46022, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 64346022 in words is "sixty-four million, three hundred forty-six thousand, twenty-two".