240222220451 has 2 divisors, whose sum is σ = 240222220452. Its totient is φ = 240222220450.

The previous prime is 240222220439. The next prime is 240222220457. The reversal of 240222220451 is 154022222042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240222220451 - 2⁶ = 240222220387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240222220451.

It is not a weakly prime, because it can be changed into another prime (240222220457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120111110225 + 120111110226.

It is an arithmetic number, because the mean of its divisors is an integer number (120111110226).

Almost surely, 2^240222220451 is an apocalyptic number.

240222220451 is a deficient number, since it is larger than the sum of its proper divisors (1).

240222220451 is an equidigital number, since it uses as much as digits as its factorization.

240222220451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 240222220451 its reverse (154022222042), we get a palindrome (394244442493).

The spelling of 240222220451 in words is "two hundred forty billion, two hundred twenty-two million, two hundred twenty thousand, four hundred fifty-one".