2267406 has 32 divisors (see below), whose sum is σ = 5088000. Its totient is φ = 748440.

The previous prime is 2267399. The next prime is 2267407. The reversal of 2267406 is 6047622.

It is a super-2 number, since 2×2267406² = 10282259937672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2267406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2267407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10641 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (159000).

2^2267406 is an apocalyptic number.

2267406 is an abundant number, since it is smaller than the sum of its proper divisors (2820594).

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

2267406 is a wasteful number, since it uses less digits than its factorization.

2267406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2267406 is about 1505.7908221264. The cubic root of 2267406 is about 131.3741030260.

The spelling of 2267406 in words is "two million, two hundred sixty-seven thousand, four hundred six".