22001450 has 24 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 8730800.

The previous prime is 22001387. The next prime is 22001467. The reversal of 22001450 is 5410022.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4871 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^22001450 is an apocalyptic number.

22001450 is a deficient number, since it is larger than the sum of its proper divisors (19245910).

22001450 is a wasteful number, since it uses less digits than its factorization.

22001450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3497 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22001450 is about 4690.5703277960. The cubic root of 22001450 is about 280.2100889258.

Adding to 22001450 its reverse (5410022), we get a palindrome (27411472).

The spelling of 22001450 in words is "twenty-two million, one thousand, four hundred fifty".