2202222421 has 8 divisors (see below), whose sum is σ = 2532267584. Its totient is φ = 1876037760.

The previous prime is 2202222419. The next prime is 2202222431. The reversal of 2202222421 is 1242222022.

2202222421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2202222421 - 2¹ = 2202222419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202222431) 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, 963900 + ... + 966181.

It is an arithmetic number, because the mean of its divisors is an integer number (316533448).

Almost surely, 2^2202222421 is an apocalyptic number.

It is an amenable number.

2202222421 is a deficient number, since it is larger than the sum of its proper divisors (330045163).

2202222421 is a wasteful number, since it uses less digits than its factorization.

2202222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930251.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2202222421 is about 46927.8427055836. The cubic root of 2202222421 is about 1301.0292482125.

Adding to 2202222421 its reverse (1242222022), we get a palindrome (3444444443).

The spelling of 2202222421 in words is "two billion, two hundred two million, two hundred twenty-two thousand, four hundred twenty-one".