22441870 has 48 divisors (see below), whose sum is σ = 47056464. Its totient is φ = 7673600.

The previous prime is 22441849. The next prime is 22441871. The reversal of 22441870 is 7814422.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22441871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20025 + ... + 21115.

It is an arithmetic number, because the mean of its divisors is an integer number (980343).

Almost surely, 2^22441870 is an apocalyptic number.

22441870 is an abundant number, since it is smaller than the sum of its proper divisors (24614594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22441870 is a wasteful number, since it uses less digits than its factorization.

22441870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 22441870 is about 4737.2850874736. The cubic root of 22441870 is about 282.0674771043.

It can be divided in two parts, 2244 and 1870, that added together give a palindrome (4114).

The spelling of 22441870 in words is "twenty-two million, four hundred forty-one thousand, eight hundred seventy".