221222402300090 has 32 divisors (see below), whose sum is σ = 399791414413440. Its totient is φ = 88135393480000.

The previous prime is 221222402300089. The next prime is 221222402300111. The reversal of 221222402300090 is 90003204222122.

221222402300090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238265276 + ... + 239191944.

It is an arithmetic number, because the mean of its divisors is an integer number (12493481700420).

Almost surely, 2^{221222402300090} is an apocalyptic number.

221222402300090 is a deficient number, since it is larger than the sum of its proper divisors (178569012113350).

221222402300090 is a wasteful number, since it uses less digits than its factorization.

221222402300090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022038.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 221222402300090 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, four hundred two million, three hundred thousand, ninety".