22070448 has 80 divisors (see below), whose sum is σ = 64757760. Its totient is φ = 7193664.

The previous prime is 22070431. The next prime is 22070449. The reversal of 22070448 is 84407022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22070449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19761 + ... + 20847.

It is an arithmetic number, because the mean of its divisors is an integer number (809472).

Almost surely, 2^22070448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22070448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32378880).

22070448 is an abundant number, since it is smaller than the sum of its proper divisors (42687312).

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

22070448 is a wasteful number, since it uses less digits than its factorization.

22070448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22070448 is about 4697.9195395409. The cubic root of 22070448 is about 280.5027023675.

The spelling of 22070448 in words is "twenty-two million, seventy thousand, four hundred forty-eight".