2227651772 has 6 divisors (see below), whose sum is σ = 3898390608. Its totient is φ = 1113825884.

The previous prime is 2227651771. The next prime is 2227651787. The reversal of 2227651772 is 2771567222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227651771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278456468 + ... + 278456475.

It is an arithmetic number, because the mean of its divisors is an integer number (649731768).

Almost surely, 2^2227651772 is an apocalyptic number.

It is an amenable number.

2227651772 is a deficient number, since it is larger than the sum of its proper divisors (1670738836).

2227651772 is a wasteful number, since it uses less digits than its factorization.

2227651772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556912947 (or 556912945 counting only the distinct ones).

The product of its digits is 164640, while the sum is 41.

The square root of 2227651772 is about 47198.0060172037. The cubic root of 2227651772 is about 1306.0178144216.

The spelling of 2227651772 in words is "two billion, two hundred twenty-seven million, six hundred fifty-one thousand, seven hundred seventy-two".