2273620 has 24 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 897312.

The previous prime is 2273603. The next prime is 2273651. The reversal of 2273620 is 263722.

It is a junction number, because it is equal to n+sod(n) for n = 2273591 and 2273600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861 + ... + 2299.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

2^2273620 is an apocalyptic number.

2273620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273620 is an abundant number, since it is smaller than the sum of its proper divisors (2564780).

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

2273620 is a wasteful number, since it uses less digits than its factorization.

2273620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 2273620 is about 1507.8527779594. The cubic root of 2273620 is about 131.4940071580.

The spelling of 2273620 in words is "two million, two hundred seventy-three thousand, six hundred twenty".