2229501 has 4 divisors (see below), whose sum is σ = 2972672. Its totient is φ = 1486332.

The previous prime is 2229497. The next prime is 2229503. The reversal of 2229501 is 1059222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2229501 - 2² = 2229497 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371581 + ... + 371586.

It is an arithmetic number, because the mean of its divisors is an integer number (743168).

2^2229501 is an apocalyptic number.

It is an amenable number.

2229501 is a deficient number, since it is larger than the sum of its proper divisors (743171).

2229501 is an equidigital number, since it uses as much as digits as its factorization.

2229501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743170.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2229501 is about 1493.1513654014. The cubic root of 2229501 is about 130.6379100203.

It can be divided in two parts, 2 and 229501, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 2229501 in words is "two million, two hundred twenty-nine thousand, five hundred one".