222104445451 has 8 divisors (see below), whose sum is σ = 253838849760. Its totient is φ = 190371340608.

The previous prime is 222104445421. The next prime is 222104445469. The reversal of 222104445451 is 154544401222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222104445451 - 2¹⁷ = 222104314379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222104445421) 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, 74055 + ... + 670591.

It is an arithmetic number, because the mean of its divisors is an integer number (31729856220).

Almost surely, 2^222104445451 is an apocalyptic number.

222104445451 is a deficient number, since it is larger than the sum of its proper divisors (31734404309).

222104445451 is an equidigital number, since it uses as much as digits as its factorization.

222104445451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649733.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 222104445451 its reverse (154544401222), we get a palindrome (376648846673).

The spelling of 222104445451 in words is "two hundred twenty-two billion, one hundred four million, four hundred forty-five thousand, four hundred fifty-one".