22249462 has 4 divisors (see below), whose sum is σ = 33374196. Its totient is φ = 11124730.

The previous prime is 22249421. The next prime is 22249463. The reversal of 22249462 is 26494222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26494222 = 2 ⋅13247111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22249463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562364 + ... + 5562367.

It is an arithmetic number, because the mean of its divisors is an integer number (8343549).

Almost surely, 2^22249462 is an apocalyptic number.

22249462 is a deficient number, since it is larger than the sum of its proper divisors (11124734).

22249462 is a wasteful number, since it uses less digits than its factorization.

22249462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11124733.

The product of its digits is 13824, while the sum is 31.

The square root of 22249462 is about 4716.9335377976. The cubic root of 22249462 is about 281.2590494537.

The spelling of 22249462 in words is "twenty-two million, two hundred forty-nine thousand, four hundred sixty-two".