64354221022231 has 8 divisors (see below), whose sum is σ = 73551013365024. Its totient is φ = 55158261728640.

The previous prime is 64354221022219. The next prime is 64354221022261. The reversal of 64354221022231 is 13222012245346.

It is a happy number.

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

It is not a de Polignac number, because 64354221022231 - 2¹⁵ = 64354220989463 is a prime.

It is a super-2 number, since 2×64354221022231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64354221022261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208096750 + ... + 208405771.

It is an arithmetic number, because the mean of its divisors is an integer number (9193876670628).

Almost surely, 2^{64354221022231} is an apocalyptic number.

64354221022231 is a deficient number, since it is larger than the sum of its proper divisors (9196792342793).

64354221022231 is a wasteful number, since it uses less digits than its factorization.

64354221022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416524601.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 64354221022231 its reverse (13222012245346), we get a palindrome (77576233267577).

The spelling of 64354221022231 in words is "sixty-four trillion, three hundred fifty-four billion, two hundred twenty-one million, twenty-two thousand, two hundred thirty-one".