22474247 has 2 divisors, whose sum is σ = 22474248. Its totient is φ = 22474246.

The previous prime is 22474241. The next prime is 22474253. The reversal of 22474247 is 74247422.

It is a balanced prime because it is at equal distance from previous prime (22474241) and next prime (22474253).

It is a cyclic number.

It is not a de Polignac number, because 22474247 - 2⁶ = 22474183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22474241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11237123 + 11237124.

It is an arithmetic number, because the mean of its divisors is an integer number (11237124).

Almost surely, 2^22474247 is an apocalyptic number.

22474247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22474247 is an equidigital number, since it uses as much as digits as its factorization.

22474247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 32.

The square root of 22474247 is about 4740.7011084860. The cubic root of 22474247 is about 282.2030586517.

It can be divided in two parts, 2 and 2474247, that multiplied together give a palindrome (4948494).

The spelling of 22474247 in words is "twenty-two million, four hundred seventy-four thousand, two hundred forty-seven".