225522022 has 16 divisors (see below), whose sum is σ = 371392272. Its totient is φ = 101855520.

The previous prime is 225521987. The next prime is 225522029. The reversal of 225522022 is 220225522.

225522022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 225521984 and 225522002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225522029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29193 + ... + 36100.

It is an arithmetic number, because the mean of its divisors is an integer number (23212017).

Almost surely, 2^225522022 is an apocalyptic number.

225522022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225522022 is a deficient number, since it is larger than the sum of its proper divisors (145870250).

225522022 is a wasteful number, since it uses less digits than its factorization.

225522022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65463.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 225522022 is about 15017.3906521739. The cubic root of 225522022 is about 608.6902130299.

Adding to 225522022 its reverse (220225522), we get a palindrome (445747544).

It can be divided in two parts, 22 and 5522022, that multiplied together give a square (121484484 = 11022²).

The spelling of 225522022 in words is "two hundred twenty-five million, five hundred twenty-two thousand, twenty-two".