222012221010 has 16 divisors (see below), whose sum is σ = 532829330496. Its totient is φ = 59203258928.

The previous prime is 222012221009. The next prime is 222012221023. The reversal of 222012221010 is 10122210222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700203654 + ... + 3700203713.

It is an arithmetic number, because the mean of its divisors is an integer number (33301833156).

Almost surely, 2^222012221010 is an apocalyptic number.

222012221010 is an abundant number, since it is smaller than the sum of its proper divisors (310817109486).

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

222012221010 is a wasteful number, since it uses less digits than its factorization.

222012221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400407377.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222012221010 its reverse (10122210222), we get a palindrome (232134431232).

The spelling of 222012221010 in words is "two hundred twenty-two billion, twelve million, two hundred twenty-one thousand, ten".