1622408338 has 16 divisors (see below), whose sum is σ = 2540366424. Its totient is φ = 776338560.

The previous prime is 1622408321. The next prime is 1622408341. The reversal of 1622408338 is 8338042261.

It can be written as a sum of positive squares in 4 ways, for example, as 972005329 + 650403009 = 31177^2 + 25503^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 1622408297 and 1622408306.

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, 175195 + ... + 184222.

Almost surely, 2^1622408338 is an apocalyptic number.

1622408338 is a deficient number, since it is larger than the sum of its proper divisors (917958086).

1622408338 is a wasteful number, since it uses less digits than its factorization.

1622408338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359517.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1622408338 is about 40279.1303034214. The cubic root of 1622408338 is about 1175.0419995248.

The spelling of 1622408338 in words is "one billion, six hundred twenty-two million, four hundred eight thousand, three hundred thirty-eight".