1222670372028 has 288 divisors, whose sum is σ = 3529851494400. Its totient is φ = 327503844864.

The previous prime is 1222670372023. The next prime is 1222670372029. The reversal of 1222670372028 is 8202730762221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222670372023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 722190750 + ... + 722192442.

It is an arithmetic number, because the mean of its divisors is an integer number (12256428800).

Almost surely, 2^{1222670372028} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222670372028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764925747200).

1222670372028 is an abundant number, since it is smaller than the sum of its proper divisors (2307181122372).

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

1222670372028 is a wasteful number, since it uses less digits than its factorization.

1222670372028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 1222670372028 in words is "one trillion, two hundred twenty-two billion, six hundred seventy million, three hundred seventy-two thousand, twenty-eight".