225421950 has 48 divisors (see below), whose sum is σ = 602055216. Its totient is φ = 55488000.

The previous prime is 225421943. The next prime is 225421961. The reversal of 225421950 is 59124522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55851 + ... + 59750.

It is an arithmetic number, because the mean of its divisors is an integer number (12542817).

Almost surely, 2^225421950 is an apocalyptic number.

225421950 is an abundant number, since it is smaller than the sum of its proper divisors (376633266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225421950 is a wasteful number, since it uses less digits than its factorization.

225421950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115629 (or 115624 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 225421950 is about 15014.0584120350. The cubic root of 225421950 is about 608.6001673389.

It can be divided in two parts, 22542 and 1950, that multiplied together give a square (43956900 = 6630²).

The spelling of 225421950 in words is "two hundred twenty-five million, four hundred twenty-one thousand, nine hundred fifty".