22220948 has 6 divisors (see below), whose sum is σ = 38886666. Its totient is φ = 11110472.

The previous prime is 22220927. The next prime is 22220951. The reversal of 22220948 is 84902222.

It can be written as a sum of positive squares in only one way, i.e., 20322064 + 1898884 = 4508^2 + 1378^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22220948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777615 + ... + 2777622.

It is an arithmetic number, because the mean of its divisors is an integer number (6481111).

Almost surely, 2^22220948 is an apocalyptic number.

It is an amenable number.

22220948 is a deficient number, since it is larger than the sum of its proper divisors (16665718).

22220948 is a wasteful number, since it uses less digits than its factorization.

22220948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555241 (or 5555239 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22220948 is about 4713.9100542968. The cubic root of 22220948 is about 281.1388480613.

The spelling of 22220948 in words is "twenty-two million, two hundred twenty thousand, nine hundred forty-eight".