1222297493 has 8 divisors (see below), whose sum is σ = 1287018720. Its totient is φ = 1157615280.

The previous prime is 1222297471. The next prime is 1222297507. The reversal of 1222297493 is 3947922221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222297493 - 2⁶ = 1222297429 is a prime.

It is a super-2 number, since 2×1222297493² = 2988022322788170098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222297493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222297393) 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, 72371 + ... + 87647.

It is an arithmetic number, because the mean of its divisors is an integer number (160877340).

Almost surely, 2^1222297493 is an apocalyptic number.

It is an amenable number.

1222297493 is a deficient number, since it is larger than the sum of its proper divisors (64721227).

1222297493 is a wasteful number, since it uses less digits than its factorization.

1222297493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19507.

The product of its digits is 108864, while the sum is 41.

The square root of 1222297493 is about 34961.3714404913. The cubic root of 1222297493 is about 1069.2000580575.

The spelling of 1222297493 in words is "one billion, two hundred twenty-two million, two hundred ninety-seven thousand, four hundred ninety-three".