22302722 has 16 divisors (see below), whose sum is σ = 36796032. Its totient is φ = 10074000.

The previous prime is 22302701. The next prime is 22302739. The reversal of 22302722 is 22720322.

It is a super-2 number, since 2×22302722² = 994822817218568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22302694 and 22302703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7904 + ... + 10347.

It is an arithmetic number, because the mean of its divisors is an integer number (2299752).

Almost surely, 2^22302722 is an apocalyptic number.

22302722 is a deficient number, since it is larger than the sum of its proper divisors (14493310).

22302722 is a wasteful number, since it uses less digits than its factorization.

22302722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22302722 is about 4722.5757802284. The cubic root of 22302722 is about 281.4832933790.

It can be divided in two parts, 2230272 and 2, that multiplied together give a square (4460544 = 2112²).

The spelling of 22302722 in words is "twenty-two million, three hundred two thousand, seven hundred twenty-two".