222021001330 has 16 divisors (see below), whose sum is σ = 399648302424. Its totient is φ = 88806067200.

The previous prime is 222021001291. The next prime is 222021001333. The reversal of 222021001330 is 33100120222.

It can be written as a sum of positive squares in 4 ways, for example, as 193249039201 + 28771962129 = 439601^2 + 169623^2 .

It is not an unprimeable number, because it can be changed into a prime (222021001333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138130 + ... + 680530.

Almost surely, 2^222021001330 is an apocalyptic number.

222021001330 is a deficient number, since it is larger than the sum of its proper divisors (177627301094).

222021001330 is a wasteful number, since it uses less digits than its factorization.

222021001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583341.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 222021001330 its reverse (33100120222), we get a palindrome (255121121552).

The spelling of 222021001330 in words is "two hundred twenty-two billion, twenty-one million, one thousand, three hundred thirty".