348022644 has 12 divisors (see below), whose sum is σ = 812052864. Its totient is φ = 116007544.

The previous prime is 348022643. The next prime is 348022667. The reversal of 348022644 is 446220843.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×348022644² = 242239521473501472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348022643) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14500932 + ... + 14500955.

It is an arithmetic number, because the mean of its divisors is an integer number (67671072).

Almost surely, 2^348022644 is an apocalyptic number.

It is an amenable number.

348022644 is an abundant number, since it is smaller than the sum of its proper divisors (464030220).

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

348022644 is a wasteful number, since it uses less digits than its factorization.

348022644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29001894 (or 29001892 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 348022644 is about 18655.3650192110. The cubic root of 348022644 is about 703.4002214462.

The spelling of 348022644 in words is "three hundred forty-eight million, twenty-two thousand, six hundred forty-four".