222021354 has 16 divisors (see below), whose sum is σ = 444710592. Its totient is φ = 73895808.

The previous prime is 222021353. The next prime is 222021367. The reversal of 222021354 is 453120222.

It is a self number, because there is not a number n which added to its sum of digits gives 222021354.

It is not an unprimeable number, because it can be changed into a prime (222021353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23454 + ... + 31529.

It is an arithmetic number, because the mean of its divisors is an integer number (27794412).

Almost surely, 2^222021354 is an apocalyptic number.

222021354 is an abundant number, since it is smaller than the sum of its proper divisors (222689238).

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

222021354 is a wasteful number, since it uses less digits than its factorization.

222021354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55661.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 222021354 is about 14900.3810018402. The cubic root of 222021354 is about 605.5243083703.

Adding to 222021354 its reverse (453120222), we get a palindrome (675141576).

The spelling of 222021354 in words is "two hundred twenty-two million, twenty-one thousand, three hundred fifty-four".