221202222010 has 64 divisors (see below), whose sum is σ = 501327408384. Its totient is φ = 68263488000.

The previous prime is 221202221969. The next prime is 221202222023. The reversal of 221202222010 is 10222202122.

It is a super-2 number, since 2×221202222010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1344387 + ... + 1499926.

It is an arithmetic number, because the mean of its divisors is an integer number (7833240756).

Almost surely, 2^221202222010 is an apocalyptic number.

221202222010 is an abundant number, since it is smaller than the sum of its proper divisors (280125186374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221202222010 is a wasteful number, since it uses less digits than its factorization.

221202222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844439.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221202222010 its reverse (10222202122), we get a palindrome (231424424132).

The spelling of 221202222010 in words is "two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, ten".