2231400022251 has 8 divisors (see below), whose sum is σ = 2975565251904. Its totient is φ = 1487417403720.

The previous prime is 2231400022223. The next prime is 2231400022283. The reversal of 2231400022251 is 1522200041322.

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

It is not a de Polignac number, because 2231400022251 - 2⁵ = 2231400022219 is a prime.

It is a super-3 number, since 3×2231400022251³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231400022351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45624265 + ... + 45673146.

It is an arithmetic number, because the mean of its divisors is an integer number (371945656488).

Almost surely, 2^{2231400022251} is an apocalyptic number.

2231400022251 is a deficient number, since it is larger than the sum of its proper divisors (744165229653).

2231400022251 is an equidigital number, since it uses as much as digits as its factorization.

2231400022251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91305561.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 2231400022251 its reverse (1522200041322), we get a palindrome (3753600063573).

The spelling of 2231400022251 in words is "two trillion, two hundred thirty-one billion, four hundred million, twenty-two thousand, two hundred fifty-one".