1222497903 has 32 divisors (see below), whose sum is σ = 1808547840. Its totient is φ = 728339040.

The previous prime is 1222497883. The next prime is 1222497907. The reversal of 1222497903 is 3097942221.

It is not a de Polignac number, because 1222497903 - 2⁹ = 1222497391 is a prime.

It is a super-2 number, since 2×1222497903² = 2989002245678794818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222497907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684750 + ... + 686532.

It is an arithmetic number, because the mean of its divisors is an integer number (56517120).

Almost surely, 2^1222497903 is an apocalyptic number.

1222497903 is a deficient number, since it is larger than the sum of its proper divisors (586049937).

1222497903 is a wasteful number, since it uses less digits than its factorization.

1222497903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1222497903 is about 34964.2374863231. The cubic root of 1222497903 is about 1069.2584908244.

The spelling of 1222497903 in words is "one billion, two hundred twenty-two million, four hundred ninety-seven thousand, nine hundred three".