22472403 has 16 divisors (see below), whose sum is σ = 31739136. Its totient is φ = 14113440.

The previous prime is 22472389. The next prime is 22472407. The reversal of 22472403 is 30427422.

It is not a de Polignac number, because 22472403 - 2²⁰ = 21423827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22472407) 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, 2193 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (1983696).

Almost surely, 2^22472403 is an apocalyptic number.

22472403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22472403 is a deficient number, since it is larger than the sum of its proper divisors (9266733).

22472403 is a wasteful number, since it uses less digits than its factorization.

22472403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 22472403 is about 4740.5066184955. The cubic root of 22472403 is about 282.1953402371.

Adding to 22472403 its reverse (30427422), we get a palindrome (52899825).

It can be divided in two parts, 224 and 72403, that added together give a palindrome (72627).

The spelling of 22472403 in words is "twenty-two million, four hundred seventy-two thousand, four hundred three".