32221212413 has 8 divisors (see below), whose sum is σ = 34706950488. Its totient is φ = 29736500544.

The previous prime is 32221212407. The next prime is 32221212431. The reversal of 32221212413 is 31421212223.

It can be written as a sum of positive squares in 4 ways, for example, as 308248249 + 31912964164 = 17557^2 + 178642^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32221212413 - 2¹² = 32221208317 is a prime.

It is a super-3 number, since 3×32221212413³ (a number of 33 digits) contains 333 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 (32221232413) 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, 190706 + ... + 317507.

It is an arithmetic number, because the mean of its divisors is an integer number (4338368811).

Almost surely, 2^32221212413 is an apocalyptic number.

It is an amenable number.

32221212413 is a deficient number, since it is larger than the sum of its proper divisors (2485738075).

32221212413 is a wasteful number, since it uses less digits than its factorization.

32221212413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513103.

The product of its digits is 1152, while the sum is 23.

Adding to 32221212413 its reverse (31421212223), we get a palindrome (63642424636).

The spelling of 32221212413 in words is "thirty-two billion, two hundred twenty-one million, two hundred twelve thousand, four hundred thirteen".