221064602 has 16 divisors (see below), whose sum is σ = 361971072. Its totient is φ = 100420320.

The previous prime is 221064577. The next prime is 221064629. The reversal of 221064602 is 206460122.

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, 62678 + ... + 66110.

It is an arithmetic number, because the mean of its divisors is an integer number (22623192).

Almost surely, 2^221064602 is an apocalyptic number.

221064602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221064602 is a deficient number, since it is larger than the sum of its proper divisors (140906470).

221064602 is a wasteful number, since it uses less digits than its factorization.

221064602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 221064602 is about 14868.2413889471. The cubic root of 221064602 is about 604.6532648798.

The spelling of 221064602 in words is "two hundred twenty-one million, sixty-four thousand, six hundred two".