2228897402 has 4 divisors (see below), whose sum is σ = 3343346106. Its totient is φ = 1114448700.

The previous prime is 2228897401. The next prime is 2228897441. The reversal of 2228897402 is 2047988222.

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., 2129914801 + 98982601 = 46151^2 + 9949^2 .

It is not an unprimeable number, because it can be changed into a prime (2228897401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557224349 + ... + 557224352.

Almost surely, 2^2228897402 is an apocalyptic number.

2228897402 is a deficient number, since it is larger than the sum of its proper divisors (1114448704).

2228897402 is a wasteful number, since it uses less digits than its factorization.

2228897402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114448703.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 2228897402 is about 47211.1999635680. The cubic root of 2228897402 is about 1306.2611965433.

The spelling of 2228897402 in words is "two billion, two hundred twenty-eight million, eight hundred ninety-seven thousand, four hundred two".