1020022201 has 8 divisors (see below), whose sum is σ = 1171317600. Its totient is φ = 878487840.

The previous prime is 1020022189. The next prime is 1020022261. The reversal of 1020022201 is 1022200201.

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 1020022201 - 2⁵ = 1020022169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020022261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2440036 + ... + 2440453.

It is an arithmetic number, because the mean of its divisors is an integer number (146414700).

Almost surely, 2^1020022201 is an apocalyptic number.

1020022201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020022201 is a deficient number, since it is larger than the sum of its proper divisors (151295399).

1020022201 is a wasteful number, since it uses less digits than its factorization.

1020022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880519.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1020022201 is about 31937.7864135885. The cubic root of 1020022201 is about 1006.6300127852.

Adding to 1020022201 its reverse (1022200201), we get a palindrome (2042222402).

The spelling of 1020022201 in words is "one billion, twenty million, twenty-two thousand, two hundred one".