400226632231 has 2 divisors, whose sum is σ = 400226632232. Its totient is φ = 400226632230.

The previous prime is 400226632217. The next prime is 400226632243. The reversal of 400226632231 is 132236622004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400226632231 - 2¹¹ = 400226630183 is a prime.

It is a super-2 number, since 2×400226632231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400226632193 and 400226632202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400226632261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200113316115 + 200113316116.

It is an arithmetic number, because the mean of its divisors is an integer number (200113316116).

Almost surely, 2^400226632231 is an apocalyptic number.

400226632231 is a deficient number, since it is larger than the sum of its proper divisors (1).

400226632231 is an equidigital number, since it uses as much as digits as its factorization.

400226632231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 400226632231 in words is "four hundred billion, two hundred twenty-six million, six hundred thirty-two thousand, two hundred thirty-one".