2212031764 has 6 divisors (see below), whose sum is σ = 3871055594. Its totient is φ = 1106015880.

The previous prime is 2212031749. The next prime is 2212031777. The reversal of 2212031764 is 4671302122.

It can be written as a sum of positive squares in only one way, i.e., 1604803600 + 607228164 = 40060^2 + 24642^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276503967 + ... + 276503974.

Almost surely, 2^2212031764 is an apocalyptic number.

It is an amenable number.

2212031764 is a deficient number, since it is larger than the sum of its proper divisors (1659023830).

2212031764 is a wasteful number, since it uses less digits than its factorization.

2212031764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553007945 (or 553007943 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2212031764 is about 47032.2417496764. The cubic root of 2212031764 is about 1302.9581087822.

Adding to 2212031764 its reverse (4671302122), we get a palindrome (6883333886).

The spelling of 2212031764 in words is "two billion, two hundred twelve million, thirty-one thousand, seven hundred sixty-four".