222021001290 has 32 divisors (see below), whose sum is σ = 581291349696. Its totient is φ = 53823272960.

The previous prime is 222021001243. The next prime is 222021001291. The reversal of 222021001290 is 92100120222.

It is a happy number.

222021001290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222021001291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336395127 + ... + 336395786.

It is an arithmetic number, because the mean of its divisors is an integer number (18165354678).

Almost surely, 2^222021001290 is an apocalyptic number.

222021001290 is an abundant number, since it is smaller than the sum of its proper divisors (359270348406).

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

222021001290 is a wasteful number, since it uses less digits than its factorization.

222021001290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672790934.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 222021001290 in words is "two hundred twenty-two billion, twenty-one million, one thousand, two hundred ninety".