1235222455 has 8 divisors (see below), whose sum is σ = 1488173904. Its totient is φ = 984240000.

The previous prime is 1235222437. The next prime is 1235222473. The reversal of 1235222455 is 5542225321.

It is an interprime number because it is at equal distance from previous prime (1235222437) and next prime (1235222473).

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

It is not a de Polignac number, because 1235222455 - 2¹⁵ = 1235189687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490866 + ... + 493375.

It is an arithmetic number, because the mean of its divisors is an integer number (186021738).

Almost surely, 2^1235222455 is an apocalyptic number.

1235222455 is a deficient number, since it is larger than the sum of its proper divisors (252951449).

1235222455 is an equidigital number, since it uses as much as digits as its factorization.

1235222455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984497.

The product of its digits is 24000, while the sum is 31.

The square root of 1235222455 is about 35145.7316754112. The cubic root of 1235222455 is about 1072.9555388126.

Adding to 1235222455 its reverse (5542225321), we get a palindrome (6777447776).

The spelling of 1235222455 in words is "one billion, two hundred thirty-five million, two hundred twenty-two thousand, four hundred fifty-five".