1222294593 has 16 divisors (see below), whose sum is σ = 1802526656. Its totient is φ = 731851200.

The previous prime is 1222294571. The next prime is 1222294621. The reversal of 1222294593 is 3954922221.

It is not a de Polignac number, because 1222294593 - 2⁵ = 1222294561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222294193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422083 + ... + 424968.

It is an arithmetic number, because the mean of its divisors is an integer number (112657916).

Almost surely, 2^1222294593 is an apocalyptic number.

1222294593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1222294593 is a deficient number, since it is larger than the sum of its proper divisors (580232063).

1222294593 is a wasteful number, since it uses less digits than its factorization.

1222294593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847104.

The product of its digits is 77760, while the sum is 39.

The square root of 1222294593 is about 34961.3299661211. The cubic root of 1222294593 is about 1069.1992124689.

The spelling of 1222294593 in words is "one billion, two hundred twenty-two million, two hundred ninety-four thousand, five hundred ninety-three".