902214122 has 4 divisors (see below), whose sum is σ = 1353321186. Its totient is φ = 451107060.

The previous prime is 902214119. The next prime is 902214127. The reversal of 902214122 is 221412209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221412209 = 9161 ⋅24169.

It can be written as a sum of positive squares in only one way, i.e., 832841881 + 69372241 = 28859^2 + 8329^2 .

It is not an unprimeable number, because it can be changed into a prime (902214127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225553529 + ... + 225553532.

Almost surely, 2^902214122 is an apocalyptic number.

902214122 is a deficient number, since it is larger than the sum of its proper divisors (451107064).

902214122 is a wasteful number, since it uses less digits than its factorization.

902214122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451107063.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 902214122 is about 30036.8793652070. The cubic root of 902214122 is about 966.2804811461.

The spelling of 902214122 in words is "nine hundred two million, two hundred fourteen thousand, one hundred twenty-two".