22072466 has 8 divisors (see below), whose sum is σ = 35655564. Its totient is φ = 10187280.

The previous prime is 22072441. The next prime is 22072487. The reversal of 22072466 is 66427022.

It can be written as a sum of positive squares in 2 ways, for example, as 21114025 + 958441 = 4595^2 + 979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424445 + ... + 424496.

Almost surely, 2^22072466 is an apocalyptic number.

22072466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22072466 is a deficient number, since it is larger than the sum of its proper divisors (13583098).

22072466 is a wasteful number, since it uses less digits than its factorization.

22072466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848956.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 22072466 is about 4698.1343105535. The cubic root of 22072466 is about 280.5112513135.

Adding to 22072466 its reverse (66427022), we get a palindrome (88499488).

The spelling of 22072466 in words is "twenty-two million, seventy-two thousand, four hundred sixty-six".