1622470081 has 8 divisors (see below), whose sum is σ = 1668949128. Its totient is φ = 1576320000.

The previous prime is 1622470067. The next prime is 1622470151. The reversal of 1622470081 is 1800742261.

It can be written as a sum of positive squares in 4 ways, for example, as 55577025 + 1566893056 = 7455^2 + 39584^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1622470081 - 2⁵ = 1622470049 is a prime.

It is a super-2 number, since 2×1622470081² = 5264818327480293122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1622470051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72220 + ... + 91981.

It is an arithmetic number, because the mean of its divisors is an integer number (208618641).

Almost surely, 2^1622470081 is an apocalyptic number.

It is an amenable number.

1622470081 is a deficient number, since it is larger than the sum of its proper divisors (46479047).

1622470081 is a wasteful number, since it uses less digits than its factorization.

1622470081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164483.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1622470081 is about 40279.8967352202. The cubic root of 1622470081 is about 1175.0569052869.

The spelling of 1622470081 in words is "one billion, six hundred twenty-two million, four hundred seventy thousand, eighty-one".