7022221001 has 8 divisors (see below), whose sum is σ = 7393128000. Its totient is φ = 6651445680.

The previous prime is 7022220977. The next prime is 7022221013. The reversal of 7022221001 is 1001222207.

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 7022221001 - 2⁶ = 7022220937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7022221051) 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, 87971 + ... + 147591.

It is an arithmetic number, because the mean of its divisors is an integer number (924141000).

Almost surely, 2^7022221001 is an apocalyptic number.

It is an amenable number.

7022221001 is a deficient number, since it is larger than the sum of its proper divisors (370906999).

7022221001 is a wasteful number, since it uses less digits than its factorization.

7022221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65839.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7022221001 is about 83798.6933132015. The cubic root of 7022221001 is about 1914.9531992553.

Adding to 7022221001 its reverse (1001222207), we get a palindrome (8023443208).

The spelling of 7022221001 in words is "seven billion, twenty-two million, two hundred twenty-one thousand, one".