64277222277246 has 64 divisors (see below), whose sum is σ = 140566204051200. Its totient is φ = 19432816220160.

The previous prime is 64277222277241. The next prime is 64277222277271.

64277222277246 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64277222277246² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64277222277246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64277222277241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350389620 + ... + 350573016.

It is an arithmetic number, because the mean of its divisors is an integer number (2196346938300).

Almost surely, 2^{64277222277246} is an apocalyptic number.

64277222277246 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64277222277246 is an abundant number, since it is smaller than the sum of its proper divisors (76288981773954).

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

64277222277246 is a wasteful number, since it uses less digits than its factorization.

64277222277246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195689.

The product of its digits is 88510464, while the sum is 60.

The spelling of 64277222277246 in words is "sixty-four trillion, two hundred seventy-seven billion, two hundred twenty-two million, two hundred seventy-seven thousand, two hundred forty-six".