40222001 has 8 divisors (see below), whose sum is σ = 40622400. Its totient is φ = 39823920.

The previous prime is 40221991. The next prime is 40222003. The reversal of 40222001 is 10022204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40222001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40222003) 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, 64670 + ... + 65288.

It is an arithmetic number, because the mean of its divisors is an integer number (5077800).

Almost surely, 2^40222001 is an apocalyptic number.

It is an amenable number.

40222001 is a deficient number, since it is larger than the sum of its proper divisors (400399).

40222001 is a wasteful number, since it uses less digits than its factorization.

40222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40222001 is about 6342.0817560167. The cubic root of 40222001 is about 342.6267163922.

Adding to 40222001 its reverse (10022204), we get a palindrome (50244205).

The spelling of 40222001 in words is "forty million, two hundred twenty-two thousand, one".