2220552021 has 8 divisors (see below), whose sum is σ = 3116564320. Its totient is φ = 1402453872.

The previous prime is 2220552013. The next prime is 2220552023. The reversal of 2220552021 is 1202550222.

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

It is not a de Polignac number, because 2220552021 - 2³ = 2220552013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220552023) 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, 19478470 + ... + 19478583.

It is an arithmetic number, because the mean of its divisors is an integer number (389570540).

Almost surely, 2^2220552021 is an apocalyptic number.

It is an amenable number.

2220552021 is a deficient number, since it is larger than the sum of its proper divisors (896012299).

2220552021 is a wasteful number, since it uses less digits than its factorization.

2220552021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38957075.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2220552021 is about 47122.7335900625. The cubic root of 2220552021 is about 1304.6288676134.

The spelling of 2220552021 in words is "two billion, two hundred twenty million, five hundred fifty-two thousand, twenty-one".