902226649028 has 6 divisors (see below), whose sum is σ = 1578896635806. Its totient is φ = 451113324512.

The previous prime is 902226649021. The next prime is 902226649057. The reversal of 902226649028 is 820946622209.

It can be written as a sum of positive squares in only one way, i.e., 685189928644 + 217036720384 = 827762^2 + 465872^2 .

It is not an unprimeable number, because it can be changed into a prime (902226649021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112778331125 + ... + 112778331132.

It is an arithmetic number, because the mean of its divisors is an integer number (263149439301).

Almost surely, 2^902226649028 is an apocalyptic number.

It is an amenable number.

902226649028 is a deficient number, since it is larger than the sum of its proper divisors (676669986778).

902226649028 is a wasteful number, since it uses less digits than its factorization.

902226649028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225556662261 (or 225556662259 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 902226649028 in words is "nine hundred two billion, two hundred twenty-six million, six hundred forty-nine thousand, twenty-eight".