22276424 has 8 divisors (see below), whose sum is σ = 41768310. Its totient is φ = 11138208.

The previous prime is 22276421. The next prime is 22276427. The reversal of 22276424 is 42467222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22276421) and next prime (22276427).

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 16900 = 4718^2 + 130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22276421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392269 + ... + 1392284.

Almost surely, 2^22276424 is an apocalyptic number.

It is an amenable number.

22276424 is a deficient number, since it is larger than the sum of its proper divisors (19491886).

22276424 is a wasteful number, since it uses less digits than its factorization.

22276424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784559 (or 2784555 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 22276424 is about 4719.7906733244. The cubic root of 22276424 is about 281.3726139283.

It can be divided in two parts, 22 and 276424, that multiplied together give a triangular number (6081328 = T₃₄₈₇).

The spelling of 22276424 in words is "twenty-two million, two hundred seventy-six thousand, four hundred twenty-four".