1222099574 has 4 divisors (see below), whose sum is σ = 1833149364. Its totient is φ = 611049786.

The previous prime is 1222099573. The next prime is 1222099579. The reversal of 1222099574 is 4759902221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4759902221 = 1823 ⋅2611027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222099573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305524892 + ... + 305524895.

It is an arithmetic number, because the mean of its divisors is an integer number (458287341).

Almost surely, 2^1222099574 is an apocalyptic number.

1222099574 is a deficient number, since it is larger than the sum of its proper divisors (611049790).

1222099574 is an equidigital number, since it uses as much as digits as its factorization.

1222099574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611049789.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1222099574 is about 34958.5407876244. The cubic root of 1222099574 is about 1069.1423453129.

The spelling of 1222099574 in words is "one billion, two hundred twenty-two million, ninety-nine thousand, five hundred seventy-four".