88220701 has 16 divisors (see below), whose sum is σ = 95605488. Its totient is φ = 81100800.

The previous prime is 88220689. The next prime is 88220711. The reversal of 88220701 is 10702288.

It can be written as a sum of positive squares in 8 ways, for example, as 423801 + 87796900 = 651^2 + 9370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88220701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88220701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88220711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249741 + ... + 250093.

It is an arithmetic number, because the mean of its divisors is an integer number (5975343).

Almost surely, 2^88220701 is an apocalyptic number.

It is an amenable number.

88220701 is a deficient number, since it is larger than the sum of its proper divisors (7384787).

88220701 is a wasteful number, since it uses less digits than its factorization.

88220701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 88220701 is about 9392.5875561530. The cubic root of 88220701 is about 445.1675521052.

Adding to 88220701 its reverse (10702288), we get a palindrome (98922989).

The spelling of 88220701 in words is "eighty-eight million, two hundred twenty thousand, seven hundred one".