1224022697 has 4 divisors (see below), whose sum is σ = 1225679760. Its totient is φ = 1222365636.

The previous prime is 1224022643. The next prime is 1224022699. The reversal of 1224022697 is 7962204221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1224022697 - 2²⁶ = 1156913833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224022699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827423 + ... + 828900.

It is an arithmetic number, because the mean of its divisors is an integer number (306419940).

Almost surely, 2^1224022697 is an apocalyptic number.

It is an amenable number.

1224022697 is a deficient number, since it is larger than the sum of its proper divisors (1657063).

1224022697 is an equidigital number, since it uses as much as digits as its factorization.

1224022697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657062.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1224022697 is about 34986.0357428503. The cubic root of 1224022697 is about 1069.7028601067.

The spelling of 1224022697 in words is "one billion, two hundred twenty-four million, twenty-two thousand, six hundred ninety-seven".