1294222224921 has 16 divisors (see below), whose sum is σ = 1831497998400. Its totient is φ = 810122897408.

The previous prime is 1294222224877. The next prime is 1294222224943.

1294222224921 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1294222224921 - 2⁷ = 1294222224793 is a prime.

It is a super-2 number, since 2×1294222224921² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1294222224821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30261336 + ... + 30304073.

It is an arithmetic number, because the mean of its divisors is an integer number (114468624900).

Almost surely, 2^{1294222224921} is an apocalyptic number.

It is an amenable number.

1294222224921 is a deficient number, since it is larger than the sum of its proper divisors (537275773479).

1294222224921 is a wasteful number, since it uses less digits than its factorization.

1294222224921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60565848.

The product of its digits is 165888, while the sum is 42.

The spelling of 1294222224921 in words is "one trillion, two hundred ninety-four billion, two hundred twenty-two million, two hundred twenty-four thousand, nine hundred twenty-one".