22978003 has 2 divisors, whose sum is σ = 22978004. Its totient is φ = 22978002.

The previous prime is 22977959. The next prime is 22978061. The reversal of 22978003 is 30087922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22978003 - 2¹⁷ = 22846931 is a prime.

It is not a weakly prime, because it can be changed into another prime (22978603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489001 + 11489002.

It is an arithmetic number, because the mean of its divisors is an integer number (11489002).

Almost surely, 2^22978003 is an apocalyptic number.

22978003 is a deficient number, since it is larger than the sum of its proper divisors (1).

22978003 is an equidigital number, since it uses as much as digits as its factorization.

22978003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 22978003 is about 4793.5376289334. The cubic root of 22978003 is about 284.2960074121.

The spelling of 22978003 in words is "twenty-two million, nine hundred seventy-eight thousand, three".