1222034921 has 8 divisors (see below), whose sum is σ = 1254316800. Its totient is φ = 1190014848.

The previous prime is 1222034903. The next prime is 1222034929. The reversal of 1222034921 is 1294302221.

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 1222034921 - 2¹⁴ = 1222018537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222034929) 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, 55976 + ... + 74681.

It is an arithmetic number, because the mean of its divisors is an integer number (156789600).

Almost surely, 2^1222034921 is an apocalyptic number.

It is an amenable number.

1222034921 is a deficient number, since it is larger than the sum of its proper divisors (32281879).

1222034921 is a wasteful number, since it uses less digits than its factorization.

1222034921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130903.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1222034921 is about 34957.6160657445. The cubic root of 1222034921 is about 1069.1234912903.

The spelling of 1222034921 in words is "one billion, two hundred twenty-two million, thirty-four thousand, nine hundred twenty-one".