2220662660402 has 4 divisors (see below), whose sum is σ = 3330993990606. Its totient is φ = 1110331330200.

The previous prime is 2220662660353. The next prime is 2220662660429. The reversal of 2220662660402 is 2040662660222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1887411616561 + 333251043841 = 1373831^2 + 577279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555165665099 + ... + 555165665102.

Almost surely, 2^{2220662660402} is an apocalyptic number.

2220662660402 is a deficient number, since it is larger than the sum of its proper divisors (1110331330204).

2220662660402 is a wasteful number, since it uses less digits than its factorization.

2220662660402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110331330203.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 2220662660402 in words is "two trillion, two hundred twenty billion, six hundred sixty-two million, six hundred sixty thousand, four hundred two".