22220248 has 8 divisors (see below), whose sum is σ = 41662980. Its totient is φ = 11110120.

The previous prime is 22220227. The next prime is 22220249. The reversal of 22220248 is 84202222.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388758 + ... + 1388773.

Almost surely, 2^22220248 is an apocalyptic number.

It is an amenable number.

22220248 is a deficient number, since it is larger than the sum of its proper divisors (19442732).

22220248 is a wasteful number, since it uses less digits than its factorization.

22220248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777537 (or 2777533 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 22220248 is about 4713.8358053712. The cubic root of 22220248 is about 281.1358959031.

The spelling of 22220248 in words is "twenty-two million, two hundred twenty thousand, two hundred forty-eight".