1222036752426 has 32 divisors (see below), whose sum is σ = 2793629606400. Its totient is φ = 349103014896.

The previous prime is 1222036752421. The next prime is 1222036752439. The reversal of 1222036752426 is 6242576302221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222036752421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1802376 + ... + 2385923.

It is an arithmetic number, because the mean of its divisors is an integer number (87300925200).

Almost surely, 2^{1222036752426} is an apocalyptic number.

1222036752426 is an abundant number, since it is smaller than the sum of its proper divisors (1571592853974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222036752426 is a wasteful number, since it uses less digits than its factorization.

1222036752426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195258.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 1222036752426 in words is "one trillion, two hundred twenty-two billion, thirty-six million, seven hundred fifty-two thousand, four hundred twenty-six".