2212233531 has 8 divisors (see below), whose sum is σ = 2950255440. Its totient is φ = 1474516992.

The previous prime is 2212233493. The next prime is 2212233539. The reversal of 2212233531 is 1353322122.

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 2212233531 - 2¹⁵ = 2212200763 is a prime.

It is a super-2 number, since 2×2212233531² = 9787954391361455922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212233539) 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, 58866 + ... + 88823.

It is an arithmetic number, because the mean of its divisors is an integer number (368781930).

Almost surely, 2^2212233531 is an apocalyptic number.

2212233531 is a deficient number, since it is larger than the sum of its proper divisors (738021909).

2212233531 is a wasteful number, since it uses less digits than its factorization.

2212233531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152685.

The product of its digits is 2160, while the sum is 24.

The square root of 2212233531 is about 47034.3866867635. The cubic root of 2212233531 is about 1302.9977233363.

Adding to 2212233531 its reverse (1353322122), we get a palindrome (3565555653).

The spelling of 2212233531 in words is "two billion, two hundred twelve million, two hundred thirty-three thousand, five hundred thirty-one".