2021654222 has 16 divisors (see below), whose sum is σ = 3481239552. Its totient is φ = 862536600.

The previous prime is 2021654197. The next prime is 2021654249. The reversal of 2021654222 is 2224561202.

It is a junction number, because it is equal to n+sod(n) for n = 2021654191 and 2021654200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320654 + ... + 326897.

It is an arithmetic number, because the mean of its divisors is an integer number (217577472).

Almost surely, 2^2021654222 is an apocalyptic number.

2021654222 is a deficient number, since it is larger than the sum of its proper divisors (1459585330).

2021654222 is a wasteful number, since it uses less digits than its factorization.

2021654222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647783.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2021654222 is about 44962.8093205929. The cubic root of 2021654222 is about 1264.4518389270.

The spelling of 2021654222 in words is "two billion, twenty-one million, six hundred fifty-four thousand, two hundred twenty-two".